# HG changeset patch # User Chris Cannam # Date 1438805336 -3600 # Node ID b54ee0a0be67245020f468fae9d73dd84e76ec11 Import MATLAB Chroma Toolbox diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25_minusHalf.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25_minusHalf.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25_minusQuarter.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25_minusQuarter.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25_minusThird.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25_minusThird.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25_minusThreeQuarters.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25_minusThreeQuarters.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25_minusTwoThird.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/MIDI_FB_ellip_pitch_60_96_22050_Q25_minusTwoThird.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/audio_to_pitch_via_FB.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/audio_to_pitch_via_FB.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,249 @@ +function [f_pitch,sideinfo] = audio_to_pitch_via_FB(f_audio,parameter,sideinfo) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: audio_to_pitch_via_FB +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% Computing and saving of pitch features via a pre-designed filterbank. +% features. For each window length specified via parameter.winLenSTMSP +% the following is computed: +% - STMSP (short-time mean-square power) for each MIDI pitch between +% parameter.midiMin and parameter.midiMax +% - STMSP subbands are stored in f_pitch, where f_pitch(p,:) contains +% STMSP of subband of pitch p +% - sideinfo contains information of original pcm, which is saved along +% with f_pitch into a single mat-file +% - Information f_pitch and sideinfo is stored in mat-file: +% save(strcat(parameter.saveDir,parameter.saveFilename),'f_pitch','sideinfo'); +% +% Input: +% f_audio +% parameter.winLenSTMSP = 4410; +% parameter.shiftFB = 0; +% parameter.midiMin = 21; +% parameter.midiMax = 108; +% parameter.save = 0; +% parameter.saveDir = ''; +% parameter.saveFilename = ''; +% parameter.saveAsTuned = 0; +% parameter.fs = 22050; +% parameter.visualize = 0; +% +% Required files: +% 'MIDI_FB_ellip_pitch_60_96_22050_Q25.mat' +% 'MIDI_FB_ellip_pitch_60_96_22050_Q25_minusHalf.mat' +% 'MIDI_FB_ellip_pitch_60_96_22050_Q25_minusQuarter.mat' +% 'MIDI_FB_ellip_pitch_60_96_22050_Q25_minusThird.mat' +% 'MIDI_FB_ellip_pitch_60_96_22050_Q25_minusThreeQuarters.mat' +% 'MIDI_FB_ellip_pitch_60_96_22050_Q25_minusTwoThird.mat' +% +% Output: +% f_pitch +% sideinfo +% +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Check parameters +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +if nargin<3 + sideinfo=[]; +end + +if nargin<2 + parameter=[]; +end +if isfield(parameter,'visualize')==0 + parameter.visualize = 0; +end +if isfield(parameter,'save')==0 + parameter.save = 0; +end +if isfield(parameter,'saveDir')==0 + parameter.saveDir = ''; +end +if isfield(parameter,'saveFilename')==0 + parameter.saveFilename = ''; +end +if isfield(parameter,'saveAsTuned')==0 + parameter.saveAsTuned = 0; +end +if isfield(parameter,'fs')==0 + parameter.fs = 22050; +else + if parameter.fs ~= 22050 + error('audio_to_pitch_via_FB not implemented yet for sample rates other than 22050.'); + end +end +if isfield(parameter,'midiMin')==0 + parameter.midiMin = 21; +end +if isfield(parameter,'midiMax')==0 + parameter.midiMax = 108; +end +if isfield(parameter,'winLenSTMSP')==0 + parameter.winLenSTMSP = 4410; + %parameter.winLenSTMSP = [882 4410]; +end +if isfield(parameter,'shiftFB')==0 + parameter.shiftFB = 0; +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Main program +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +if parameter.shiftFB == 0 + load MIDI_FB_ellip_pitch_60_96_22050_Q25.mat +elseif parameter.shiftFB == 1 + load MIDI_FB_ellip_pitch_60_96_22050_Q25_minusQuarter.mat +elseif parameter.shiftFB == 2 + load MIDI_FB_ellip_pitch_60_96_22050_Q25_minusThird.mat +elseif parameter.shiftFB == 3 + load MIDI_FB_ellip_pitch_60_96_22050_Q25_minusHalf.mat +elseif parameter.shiftFB == 4 + load MIDI_FB_ellip_pitch_60_96_22050_Q25_minusTwoThird.mat +elseif parameter.shiftFB == 5 + load MIDI_FB_ellip_pitch_60_96_22050_Q25_minusThreeQuarters.mat +else + error('Wrong shift parameter!') +end + +fs_pitch = zeros(1,128); +fs_index = zeros(1,128); + +fs_pitch(21:59) = 882; +fs_pitch(60:95) = 4410; +fs_pitch(96:120) = 22050; + +fs_index(21:59) = 3; +fs_index(60:95) = 2; +fs_index(96:120) = 1; + +pcm_ds = cell(3,1); +pcm_ds{1} = f_audio; +pcm_ds{2} = resample(pcm_ds{1},1,5,100); +pcm_ds{3} = resample(pcm_ds{2},1,5,100); + +fprintf('Computing subbands and STMSP for all pitches: (%i-%i): %4i',parameter.midiMin,parameter.midiMax,0); + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Compute features for all pitches +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +winLenSTMSP = parameter.winLenSTMSP; +winOvSTMSP = round(winLenSTMSP/2); +featureRate = parameter.fs./(winLenSTMSP-winOvSTMSP); %formerly win_res +wav_size = size(f_audio,1); + +num_window = length(winLenSTMSP); +f_pitch_energy = cell(num_window,1); +seg_pcm_num = cell(num_window,1); +seg_pcm_start = cell(num_window,1); +seg_pcm_stop = cell(num_window,1); +for w=1:num_window; + step_size = winLenSTMSP(w)-winOvSTMSP(w); + group_delay = round(winLenSTMSP(w)/2); + seg_pcm_start{w} = [1 1:step_size:wav_size]'; %group delay is adjusted + seg_pcm_stop{w} = min(seg_pcm_start{w}+winLenSTMSP(w),wav_size); + seg_pcm_stop{w}(1) = min(group_delay,wav_size); + seg_pcm_num{w} = size(seg_pcm_start{w},1); + f_pitch_energy{w} = zeros(120,seg_pcm_num{w}); +end + + +for p=parameter.midiMin:parameter.midiMax + fprintf('\b\b\b\b');fprintf('%4i',p); + index = fs_index(p); + f_filtfilt = filtfilt(h(p).b, h(p).a, pcm_ds{index}); + f_square = f_filtfilt.^2; + + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + % f_pitch_energy + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + for w=1:length(winLenSTMSP) + factor = (parameter.fs/fs_pitch(p)); %adjustment for sampling rate + for k=1:seg_pcm_num{w} + start = ceil((seg_pcm_start{w}(k)/parameter.fs)*fs_pitch(p)); + stop = floor((seg_pcm_stop{w}(k)/parameter.fs)*fs_pitch(p)); + f_pitch_energy{w}(p,k)=sum(f_square(start:stop))*factor; + end + end +end +fprintf('\n'); + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Save f_pitch_energy for each window size separately as f_pitch +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +sideinfo.pitch.version = 1; +sideinfo.pitch.midiMin = parameter.midiMin; +sideinfo.pitch.midiMax = parameter.midiMax; +if parameter.save == 1 + for w=1:num_window; + f_pitch = f_pitch_energy{w}; + sideinfo.pitch.winLenSTMSP = winLenSTMSP(w); + sideinfo.pitch.winOvSTMSP = winOvSTMSP(w); + sideinfo.pitch.featureRate = featureRate(w); + sideinfo.pitch.shiftFB = parameter.shiftFB; + sideinfo.pitch.featuresAreTuned = 0; + if parameter.saveAsTuned + sideinfo.pitch.featuresAreTuned = 1; + filename = strcat(parameter.saveFilename,'_pitch_',num2str(winLenSTMSP(w))); + else + switch(parameter.shiftFB) + case 0 + filename = strcat(parameter.saveFilename,'_pitch_',num2str(winLenSTMSP(w))); + case 1 + filename = strcat(parameter.saveFilename,'_pitch_',num2str(winLenSTMSP(w)),'_minusQuarter'); + case 2 + filename = strcat(parameter.saveFilename,'_pitch_',num2str(winLenSTMSP(w)),'_minusThird'); + case 3 + filename = strcat(parameter.saveFilename,'_pitch_',num2str(winLenSTMSP(w)),'_minusHalf'); + case 4 + filename = strcat(parameter.saveFilename,'_pitch_',num2str(winLenSTMSP(w)),'_minusTwoThird'); + case 5 + filename = strcat(parameter.saveFilename,'_pitch_',num2str(winLenSTMSP(w)),'_minusThreeQuarter'); + end + end + save(strcat(parameter.saveDir,filename),'f_pitch','sideinfo'); + end +else + f_pitch = f_pitch_energy{num_window}; + sideinfo.pitch.winLenSTMSP = winLenSTMSP(num_window); + sideinfo.pitch.winOvSTMSP = winOvSTMSP(num_window); + sideinfo.pitch.featureRate = featureRate(num_window); + sideinfo.pitch.shiftFB = parameter.shiftFB; +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Visualization +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +if parameter.visualize == 1 + for w=1:num_window; + parameterVis.featureRate = featureRate(w); + visualizePitch(f_pitch_energy{w},parameterVis); + end +end + +end + + diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Bach_BWV988-Aria-Measures1-4_Meinard_fast.wav Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Bach_BWV988-Aria-Measures1-4_Meinard_fast.wav has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Burgmueller_Op100-02-FirstPart_Meinard_SE.wav Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Burgmueller_Op100-02-FirstPart_Meinard_SE.wav has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Systematic_Cadence-C-Major_Meinard_portato.wav Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Systematic_Cadence-C-Major_Meinard_portato.wav has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Systematic_Cadence-C-Major_Meinard_staccato.wav Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Systematic_Cadence-C-Major_Meinard_staccato.wav has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Systematic_Chord-C-Major_Eight-Instruments.wav Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Systematic_Chord-C-Major_Eight-Instruments.wav has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Systematic_Scale-C-Major_Meinard_fast.wav Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Systematic_Scale-C-Major_Meinard_fast.wav has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Systematic_Scale-C-Major_Meinard_middle.wav Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_WAV/Systematic_Scale-C-Major_Meinard_middle.wav has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Bach_BWV988-Aria-Measures1-4_Meinard_fast_pitch_4410.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Bach_BWV988-Aria-Measures1-4_Meinard_fast_pitch_4410.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Burgmueller_Op100-02-FirstPart_Meinard_SE_pitch_4410.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Burgmueller_Op100-02-FirstPart_Meinard_SE_pitch_4410.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Cadence-C-Major_Meinard_portato_pitch_4410.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Cadence-C-Major_Meinard_portato_pitch_4410.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Cadence-C-Major_Meinard_staccato_pitch_4410.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Cadence-C-Major_Meinard_staccato_pitch_4410.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Chord-C-Major_Eight-Instruments_CRP_1_1.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Chord-C-Major_Eight-Instruments_CRP_1_1.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Chord-C-Major_Eight-Instruments_CRP_21_5.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Chord-C-Major_Eight-Instruments_CRP_21_5.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Chord-C-Major_Eight-Instruments_pitch_4410.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Chord-C-Major_Eight-Instruments_pitch_4410.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Scale-C-Major_Meinard_fast_pitch_4410.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Scale-C-Major_Meinard_fast_pitch_4410.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Scale-C-Major_Meinard_middle_pitch_4410.mat Binary file matlab/MATLAB-Chroma-Toolbox_2.0/data_feature/Systematic_Scale-C-Major_Meinard_middle_pitch_4410.mat has changed diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/demoChromaToolbox.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/demoChromaToolbox.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,85 @@ +clear +close all + +filename = 'Systematic_Chord-C-Major_Eight-Instruments.wav'; +[f_audio,sideinfo] = wav_to_audio('', 'data_WAV/', filename); +shiftFB = estimateTuning(f_audio); + +paramPitch.winLenSTMSP = 4410; +paramPitch.shiftFB = shiftFB; +paramPitch.visualize = 1; +[f_pitch,sideinfo] = ... + audio_to_pitch_via_FB(f_audio,paramPitch,sideinfo); + +paramCP.applyLogCompr = 0; +paramCP.visualize = 1; +paramCP.inputFeatureRate = sideinfo.pitch.featureRate; +[f_CP,sideinfo] = pitch_to_chroma(f_pitch,paramCP,sideinfo); + +paramCLP.applyLogCompr = 1; +paramCLP.factorLogCompr = 100; +paramCLP.visualize = 1; +paramCLP.inputFeatureRate = sideinfo.pitch.featureRate; +[f_CLP,sideinfo] = pitch_to_chroma(f_pitch,paramCLP,sideinfo); + +paramCENS.winLenSmooth = 21; +paramCENS.downsampSmooth = 5; +paramCENS.visualize = 1; +paramCENS.inputFeatureRate = sideinfo.pitch.featureRate; +[f_CENS,sideinfo] = pitch_to_CENS(f_pitch,paramCENS,sideinfo); + +paramCRP.coeffsToKeep = [55:120]; +paramCRP.visualize = 1; +paramCRP.inputFeatureRate = sideinfo.pitch.featureRate; +[f_CRP,sideinfo] = pitch_to_CRP(f_pitch,paramCRP,sideinfo); + +paramSmooth.winLenSmooth = 21; +paramSmooth.downsampSmooth = 5; +paramSmooth.inputFeatureRate = sideinfo.CRP.featureRate; +[f_CRPSmoothed, featureRateSmoothed] = ... + smoothDownsampleFeature(f_CRP,paramSmooth); +parameterVis.featureRate = featureRateSmoothed; +visualizeCRP(f_CRPSmoothed,parameterVis); + + +% filename = 'Systematic_Chord-C-Major_Eight-Instruments.wav'; +% [f_audio,sideinfo] = wav_to_audio('', 'data_WAV/', filename); +% shiftFB = estimateTuning(f_audio); +% +% paramPitch.win_len = 4410; +% paramPitch.shiftFB = shiftFB; +% paramPitch.visualize = 1; +% [f_pitch,sideinfo] = ... +% audio_to_pitch_via_FB(f_audio,paramPitch,sideinfo); +% +% paramCP.applyLogCompr = 0; +% paramCP.visualize = 1; +% paramCP.inputFeatureRate = sideinfo.pitch.featureRate; +% [f_CP,sideinfo] = pitch_to_chroma(f_pitch,paramCP,sideinfo); +% +% paramCLP.applyLogCompr = 1; +% paramCLP.logParamMult = 100; +% paramCLP.visualize = 1; +% paramCLP.inputFeatureRate = sideinfo.pitch.featureRate; +% [f_CLP,sideinfo] = pitch_to_chroma(f_pitch,paramCLP,sideinfo); +% +% paramCENS.stat_window_length = 21; +% paramCENS.stat_downsample = 5; +% paramCENS.visualize = 1; +% paramCENS.inputFeatureRate = sideinfo.pitch.featureRate; +% [f_CENS,sideinfo] = pitch_to_CENS(f_pitch,paramCENS,sideinfo); +% +% paramCRP.coeffsToKeep = [55:120]; +% paramCRP.visualize = 1; +% paramCRP.inputFeatureRate = sideinfo.pitch.featureRate; +% [f_CRP,sideinfo] = pitch_to_CRP(f_pitch,paramCRP,sideinfo); +% +% paramSmooth.stat_window_length = 21; +% paramSmooth.stat_downsample = 5; +% paramSmooth.inputFeatureRate = sideinfo.CRP.featureRate; +% [f_CRPSmoothed, featureRateSmoothed] = ... +% smoothDownsampleFeature(f_CRP,paramSmooth); +% parameterVis.featureRate = featureRateSmoothed; +% visualize_CRP(f_CRPSmoothed,parameterVis); + + diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/estimateTuning.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/estimateTuning.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,230 @@ +function [shiftFB,centerA4,tuningSemitones,sideinfo] = estimateTuning(f_input,parameter,sideinfo) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: estimateTuning +% Date of Revision: 2011-03 +% Programmer: Sebastian Ewert +% +% Description: +% - input is either a mono audio signal or a real valued spectrogram (magnitude or power) +% - if input is a spectrogram you have to set parameter.timeinfo and +% parameter.freqinfo (vectors defining the time and freq centers for each spectrogram bin) +% - if input is an audio signal, a sampling freq of 22050 Hz is assumed +% - guesses the tuning according to a simple energy maximizing criterion +% - output is either: what shiftFB is best to use (shiftFB \in [0:5]). +% Alternatively, the center freq for A4 is given which can be used to +% specify a filterbank on your own. The second option is more fine +% grained. +% Alternatively, it gives a tuning in semitones, which can +% easily be shifted cyclicly. For example: a tuning of -19/20 is more likely to be +% +1/20 Tuning difference. +% - parameter.numAdditionalTunings: how many tunings besides the fixed shiftFB ones +% to test. For example: If set to 3, than three additional tuning settings are +% tested for, located at 1/4, 2/4 and 3/4 semitones below the reference +% tuning. If set to 5, then at 1/6, 2/6,..., 5/6 semitones. +% - parameter.pitchRange specifies which pitches are considered for the +% tuning estimation. +% - parameter.pitchWeights: each pitch is considered according to a weight +% - Middle pitches are considered as being more important per default because +% here the frequency resolution is high enough. Additionally the piano has +% a consistent tuning only for middle pitches. +% +% Input: +% f_input +% parameter.numAdditionalTunings = 0; +% parameter.pitchRange = [21:108]; +% parameter.pitchWeights = gausswin(length(parameter.pitchRange)).^2; +% parameter.fftWindowLength = 8192; +% parameter.windowFunction = @hanning; +% sideinfo +% +% Output: +% shiftFB +% centerA4 +% tuningSemitones +% sideinfo +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Check parameters +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +if nargin<2 + parameter=[]; +end +if nargin<1 + error('Please specify input data'); +end + +if isfield(parameter,'numAdditionalTunings')==0 + parameter.numAdditionalTunings = 0; +end +if isfield(parameter,'pitchRange')==0 + % Which pitches to consider during the estimation + parameter.pitchRange = [21:108]; +end +if isfield(parameter,'pitchWeights')==0 + % assign a weight to each pitch specified in parameter.pitchRange to + % specify it's importance + parameter.pitchWeights = gausswin(length(parameter.pitchRange)).^2; +end + +% the following parameters are only for audio signal input +if isfield(parameter,'fftWindowLength')==0 + parameter.fftWindowLength = 8192; +end +if isfield(parameter,'windowFunction')==0 + parameter.windowFunction = @hanning; % only tested with hanning. +end + +if min(size(f_input)) == 1 + inputIsAudioSignal = 1; +else + inputIsAudioSignal = 0; +end + +if ~inputIsAudioSignal + if isfield(parameter,'freqinfo')==0 + error('When using a spectrogram input you have to set parameter.freqinfo'); + end +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Main program +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +numTunings = 6 + parameter.numAdditionalTunings; +referenceFreqsA4 = zeros(numTunings,1); +tunings = zeros(numTunings,1); + +tunings(1) = 0; +tunings(2) = -1/4; +tunings(3) = -1/3; +tunings(4) = -1/2; +tunings(5) = -2/3; +tunings(6) = -3/4; +for k=1:parameter.numAdditionalTunings + tunings(k+6) = -k/(parameter.numAdditionalTunings+1); +end +referenceFreqsA4 = 2.^((69-69+tunings)/12) * 440; + +if inputIsAudioSignal + [s,f,t] = spectrogram(f_input, parameter.windowFunction(parameter.fftWindowLength), parameter.fftWindowLength/2, parameter.fftWindowLength, 22050); +else + s = f_input; + f = parameter.freqinfo; +end +s = abs(s); + +directFreqBinSearch = 0; +if all( (f(2:end)-f(1:end-1)) - (f(2)-f(1)) < eps ) + directFreqBinSearch = 1; +end + +averagedPowerSpectrogram = sum(s.^2,2); +totalPitchEnergyViaSpec = zeros(numTunings,1); +for tu=1:numTunings + centerfreqs = 2.^((parameter.pitchRange-69)/12) * referenceFreqsA4(tu); + upperborderfreqs = 2.^((parameter.pitchRange-68.5)/12) * referenceFreqsA4(tu); + lowerborderfreqs = 2.^((parameter.pitchRange-69.5)/12) * referenceFreqsA4(tu); + + % build triangular filterbank for magnitude spectrogram + spectrogramFilter = zeros(length(f),1); + for k=1:length(parameter.pitchRange) + c = getCorrespondingBin(f,centerfreqs(k),directFreqBinSearch); + u = getCorrespondingBin(f,upperborderfreqs(k),directFreqBinSearch); + l = getCorrespondingBin(f,lowerborderfreqs(k),directFreqBinSearch); + + % order is important here. If third parameter is < 2, then linspace + % returns the second parameter + spectrogramFilter(c:u) = parameter.pitchWeights(k) * linspace(1,0,u-c+1); + spectrogramFilter(l:c) = parameter.pitchWeights(k) * linspace(0,1,c-l+1); + end + + totalPitchEnergyViaSpec(tu) = sum(spectrogramFilter.^2 .* averagedPowerSpectrogram); +end + +[ignoreMe, maxIndex] = max(totalPitchEnergyViaSpec(1:6)); +shiftFB = maxIndex-1; + +[ignoreMe, maxIndex] = max(totalPitchEnergyViaSpec); +centerA4 = referenceFreqsA4(maxIndex); +tuningSemitones = tunings(maxIndex); + +sideinfo.tuning.shiftFB = shiftFB; +sideinfo.tuning.centerA4 = centerA4; +sideinfo.tuning.tuningSemitones = tuningSemitones; +sideinfo.tuning.method = 'estimateTuningV1'; +sideinfo.tuning.numAdditionalTunings = parameter.numAdditionalTunings; +sideinfo.tuning.pitchRange = parameter.pitchRange; +sideinfo.tuning.pitchWeights = parameter.pitchWeights; +sideinfo.tuning.fftWindowLength = parameter.fftWindowLength; +sideinfo.tuning.windowFunction = parameter.windowFunction; +sideinfo.tuning.inputWasAudioSignal = inputIsAudioSignal; + +end + +function index = getCorrespondingBin(x,sval,directSearch) +% - Finds the entry in x with the smallest absolute distance to sval. +% - x is assumed to be sorted (ascending) +% - 'directSearch' means that all values in x are equally spaced +% - x is assumed to be at least of length 2. +% - If directSearch==0 then we use binary seach to find the entry +% +% You can test the correctness of this procedure by comparing it against +% the result of: [ignoreMe index] = min(abs(x-sval)) +% +% Author: Sebastian Ewert + +if sval >= x(end) + index = length(x); + return; +elseif sval <= x(1) + index = 1; + return; +end + + +if directSearch + index = round( (sval-x(1)) / (x(2)-x(1))) + 1; +else + from=1; + to=length(x); + + while from<=to + mid = round((from + to)/2); + diff = x(mid)-sval; + if diff<0 % x(mid) < sval + from=mid; + else % x(mid) => sval + to=mid; + end + + if to-from==1 + break; + end + end + if abs(x(from)-sval) < abs(x(to)-sval) + index = from; + else + index = to; + end +end + +end + diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/generateMultiratePitchFilterbank.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/generateMultiratePitchFilterbank.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,134 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Generating filter bank of filters corresponding MIDI pitches +% +% Pitches 21-59, fs = 882 +% Pitches 60-95, fs = 4410 +% Pitches 96-120, fs =22050 +% +% Q (center frequency) / bandwidt, Q > 30 separates notes +% stop: pass_rel = 1/(2*Q); stop_rel = stop*pass_rel; +% Rp loses no more than Rp dB in the passband +% Rs attenuation in the stopband in dB +% +% For details to filter desgin use MATLAB help function +% e.g., "help ellipord" and "help ellip" +% +% Attention: Construction of [b,a] may fail if the +% filter specification are too restrictive +% +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +clear; + +semitoneOffsets = [0, -0.25, -1/3, -0.5, -2/3, -0.75]; +nameSuffixes = {''; '_minusQuarter'; '_minusThird'; '_minusHalf'; '_minusTwoThird'; '_minusThreeQuarters'}; + +for k=1:length(semitoneOffsets) + + + midi = (1:128); % midi notes + midi_freq = 2.^((midi-69+semitoneOffsets(k))/12)*440; % computing frequencies of midi notes + nameSuffix = nameSuffixes{k}; + h(120)=struct('a',[],'b',[]); + + disp(['Generating Filterbank: ',nameSuffix]); + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + % fs = 22005, pitches 96-120 + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + fs = 22050; + nyq = fs/2; + midi_min = 96; + midi_max = 120; + Q = 25; stop = 2; Rp = 1; Rs = 50; + pass_rel = 1/(2*Q); + stop_rel = pass_rel*stop; + + for k = midi_min:midi_max; + pitch = midi_freq(k); + Wp = [pitch-pass_rel*pitch pitch+pass_rel*pitch]/nyq; + Ws = [pitch-stop_rel*pitch pitch+stop_rel*pitch]/nyq; + [n Wn]=ellipord(Wp,Ws,Rp,Rs); + [h(k).b,h(k).a]=ellip(n,Rp,Rs,Wn); + end + num = midi_max-midi_min+1; + h_fvtool = cell(2*num,1); + for i = 1:num + h_fvtool{2*i-1}=h(midi_min+i-1).b; + h_fvtool{2*i}=h(midi_min+i-1).a; + end + fvtool(h_fvtool{:}); + + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + % fs = 4410, pitches 60-95 + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + fs = 4410; + nyq = fs/2; + midi_min = 60; + midi_max = 95; + Q = 25; stop = 2; Rp = 1; Rs = 50; + pass_rel = 1/(2*Q); + stop_rel = pass_rel*stop; + + for k = midi_min:midi_max; + pitch = midi_freq(k); + Wp = [pitch-pass_rel*pitch pitch+pass_rel*pitch]/nyq; + Ws = [pitch-stop_rel*pitch pitch+stop_rel*pitch]/nyq; + [n Wn]=ellipord(Wp,Ws,Rp,Rs); + [h(k).b,h(k).a]=ellip(n,Rp,Rs,Wn); + end + num = midi_max-midi_min+1; + h_fvtool = cell(2*num,1); + for i = 1:num + h_fvtool{2*i-1}=h(midi_min+i-1).b; + h_fvtool{2*i}=h(midi_min+i-1).a; + end + fvtool(h_fvtool{:}); + + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + % fs = 882, pitches 21-59 + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + fs = 882; + nyq = fs/2; + midi_min = 21; + midi_max = 59; + Q = 25; stop = 2; Rp = 1; Rs = 50; + pass_rel = 1/(2*Q); + stop_rel = pass_rel*stop; + + for k = midi_min:midi_max; + pitch = midi_freq(k); + Wp = [pitch-pass_rel*pitch pitch+pass_rel*pitch]/nyq; + Ws = [pitch-stop_rel*pitch pitch+stop_rel*pitch]/nyq; + [n Wn]=ellipord(Wp,Ws,Rp,Rs); + [h(k).b,h(k).a]=ellip(n,Rp,Rs,Wn); + end + num = midi_max-midi_min+1; + h_fvtool = cell(2*num,1); + for i = 1:num + h_fvtool{2*i-1}=h(midi_min+i-1).b; + h_fvtool{2*i}=h(midi_min+i-1).a; + end + fvtool(h_fvtool{:}); + + + save(['MIDI_FB_ellip_pitch_60_96_22050_Q25',nameSuffix],'h','-V6'); + +end + diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/normalizeFeature.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/normalizeFeature.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,52 @@ +function f_featureNorm = normalizeFeature(f_feature,normP, threshold) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: normalizeFeature +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% - Normalizes a feature sequence according to the l^p norm +% - If the norm falls below threshold for a feature vector, then the +% normalized feature vector is set to be the unit vector. +% +% Input: +% f_feature +% normP +% threshold +% +% Output: +% f_featureNorm +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +f_featureNorm = zeros(size(f_feature)); + +% normalise the vectors according to the l^p norm +unit_vec = ones(1,12); +unit_vec = unit_vec/norm(unit_vec,normP); +for k=1:size(f_feature,2); + n = norm(f_feature(:,k),normP); + if n < threshold + f_featureNorm(:,k) = unit_vec; + else + f_featureNorm(:,k) = f_feature(:,k)/n; + end +end + +end \ No newline at end of file diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/pitch_to_CENS.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/pitch_to_CENS.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,176 @@ +function [f_CENS,sideinfo] = pitch_to_CENS(f_pitch,parameter,sideinfo) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: pitch_to_CENS +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% Normalized statistical chroma-based energy distribution feature (CENS). +% The following is computed: +% * energy for each chroma band +% * normalisation of the chroma vectors +% * local statistics: +% - component-wise quantisation of the normalized chroma vectors +% - upfirdn filters and downsamples each column of f_stat_help +% - normalize each vector with its l^2 norm +% +% Remark: +% * parameter.inputFeatureRate specifies the feature rate of f_pitch. The value +% is used to derive the output feature rate given via sideinfo. +% +% Input: +% f_pitch +% parameter.quantSteps = [40 20 10 5] / 100; +% parameter.quantWeights = [ 1 1 1 1]/4; +% parameter.normThresh = 0.001; +% parameter.winLenSmooth = 41; +% parameter.downsampSmooth = 10; +% parameter.midiMin = 21; +% parameter.midiMax = 108; +% parameter.inputFeatureRate = 0; +% parameter.save = 0; +% parameter.saveDir = ''; +% parameter.saveFilename = ''; +% parameter.visualize = 0; +% sideinfo +% +% Output: +% f_CENS +% sideinfo +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Check parameters +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +if nargin<3 + sideinfo=[]; +end +if nargin<2 + parameter=[]; +end +if nargin<1 + error('Please specify input data f_pitch'); +end + +if isfield(parameter,'quantSteps')==0 + parameter.quantSteps = [40 20 10 5] / 100; +end +if isfield(parameter,'quantWeights')==0 + parameter.quantWeights = [ 1 1 1 1]/4; +end +if isfield(parameter,'normThresh')==0 + parameter.normThresh = 0.001; +end +if isfield(parameter,'winLenSmooth')==0 + parameter.winLenSmooth = 41; +end +if isfield(parameter,'downsampSmooth')==0 + parameter.downsampSmooth = 10; +end +if isfield(parameter,'midiMin')==0 + parameter.midiMin = 21; +end +if isfield(parameter,'midiMax')==0 + parameter.midiMax = 108; +end +if isfield(parameter,'inputFeatureRate')==0 + parameter.inputFeatureRate = 0; +end +if isfield(parameter,'save')==0 + parameter.save = 0; +end +if isfield(parameter,'saveDir')==0 + parameter.saveDir = ''; +end +if isfield(parameter,'saveFilename')==0 + parameter.saveFilename = ''; +end +if isfield(parameter,'visualize')==0 + parameter.visualize = 0; +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Main program +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +seg_num = size(f_pitch,2); + +% calculate energy for each chroma band +f_chroma_energy = zeros(12,seg_num); +for p=parameter.midiMin:parameter.midiMax + chroma = mod(p,12)+1; + f_chroma_energy(chroma,:) = f_chroma_energy(chroma,:)+f_pitch(p,:); +end + +% normalize the chroma vectors +f_chroma_energy_distr = zeros(12,seg_num); +for k=1:seg_num + if sum(f_chroma_energy(:,k)>parameter.normThresh)>0 + seg_energy_square = sum(f_chroma_energy(:,k)); + f_chroma_energy_distr(:,k) = ((f_chroma_energy(:,k))/seg_energy_square); + end +end + +% calculate a CENS feature + +% component-wise quantisation of the normalized chroma vectors +f_stat_help = zeros(12,seg_num); +for n=1:length(parameter.quantSteps) + f_stat_help = f_stat_help + (f_chroma_energy_distr>parameter.quantSteps(n))*parameter.quantWeights(n); +end + +% Temporal smoothing and downsampling +[f_chroma_energy_stat,CENSfeatureRate] = smoothDownsampleFeature(f_stat_help,parameter); + +% last step: normalize each vector with its l^2 norm +f_CENS = normalizeFeature(f_chroma_energy_stat,2, parameter.normThresh); + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Update sideinfo +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +sideinfo.CENS.version = 1; +sideinfo.CENS.midiMin = parameter.midiMin; +sideinfo.CENS.midiMax = parameter.midiMax; +sideinfo.CENS.featureRate = CENSfeatureRate; +sideinfo.CENS.quantSteps = parameter.quantSteps; +sideinfo.CENS.quantWeights = parameter.quantWeights; +sideinfo.CENS.normThresh = parameter.normThresh; +sideinfo.CENS.winLenSmooth = parameter.winLenSmooth; +sideinfo.CENS.downsampSmooth = parameter.downsampSmooth; + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Saving to file +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +if parameter.save + filename = strcat(parameter.saveFilename,'_CENS_',num2str(parameter.winLenSmooth),'_',num2str(parameter.downsampSmooth)); + save(strcat(parameter.saveDir,filename),'f_CENS','sideinfo'); +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Visualization +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +if parameter.visualize + parameterVis.featureRate = CENSfeatureRate; + parameterVis.title = 'CENS chromagram'; + visualizeChroma(f_CENS,parameterVis) +end + +end diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/pitch_to_CRP.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/pitch_to_CRP.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,194 @@ +function [f_CRP,sideinfo] = pitch_to_CRP(f_pitch,parameter,sideinfo) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: pitch_to_CRP +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% - Calculates CRP (Chroma DCT-reduced Log Pitch) Features +% (see "Towards Timbre-Invariant Audio Features for Harmony-Based Music" by +% Meinard Mueller and Sebastian Ewert) +% +% Remark: +% - parameter.inputFeatureRate specifies the input feature rate. This value is +% used to derive the output feature rate. +% +% Input: +% f_pitch +% parameter.coeffsToKeep = [55:120]; +% parameter.applyLogCompr = 1; +% parameter.factorLogCompr = 1000; +% parameter.addTermLogCompr = 1; +% parameter.normP = 2; +% parameter.winLenSmooth = 1; +% parameter.downsampSmooth = 1; +% parameter.normThresh = 10^-6; +% parameter.inputFeatureRate = 0; +% parameter.save = 0; +% parameter.saveDir = ''; +% parameter.saveFilename = ''; +% parameter.visualize = 0; +% sideinfo +% +% Output: +% f_CRP +% sideinfo +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Check parameters +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +if nargin<3 + sideinfo=[]; +end +if nargin<2 + parameter=[]; +end +if nargin<1 + error('Please specify input data f_pitch'); +end + +if isfield(parameter,'coeffsToKeep')==0 + parameter.coeffsToKeep = [55:120]; +end +if isfield(parameter,'applyLogCompr')==0 + parameter.applyLogCompr = 1; +end +if isfield(parameter,'factorLogCompr')==0 + parameter.factorLogCompr = 1000; +end +if isfield(parameter,'addTermLogCompr')==0 + parameter.addTermLogCompr = 1; +end +if isfield(parameter,'normP')==0 + parameter.normP = 2; +end +if isfield(parameter,'winLenSmooth')==0 + parameter.winLenSmooth = 1; +end +if isfield(parameter,'downsampSmooth')==0 + parameter.downsampSmooth = 1; +end +if isfield(parameter,'normThresh')==0 + parameter.normThresh = 10^-6; +end +if isfield(parameter,'inputFeatureRate')==0 + parameter.inputFeatureRate = 0; +end +if isfield(parameter,'save')==0 + parameter.save = 0; +end +if isfield(parameter,'saveDir')==0 + parameter.saveDir = ''; +end +if isfield(parameter,'saveFilename')==0 + parameter.saveFilename = ''; +end +if isfield(parameter,'visualize')==0 + parameter.visualize = 0; +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Main program +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +seg_num = size(f_pitch,2); + +% log compression +if parameter.applyLogCompr + f_pitch_log = log10(parameter.addTermLogCompr+f_pitch*parameter.factorLogCompr); +else + f_pitch_log = f_pitch; +end + +% DCT based reduction +DCT = internal_DCT(size(f_pitch_log,1)); +DCTcut = DCT; +DCTcut(setdiff([1:120],parameter.coeffsToKeep),:) = 0; +DCT_filter = DCT'*DCTcut; +f_pitch_log_DCT = DCT_filter*f_pitch_log; + +% calculate energy for each chroma band +f_CRP = zeros(12,seg_num); +for p=1:120 + chroma = mod(p,12)+1; + f_CRP(chroma,:) = f_CRP(chroma,:)+f_pitch_log_DCT(p,:); +end + +% normalize the vectors according to the norm l^p +f_CRP = normalizeFeature(f_CRP,parameter.normP, parameter.normThresh); + +if (parameter.winLenSmooth ~= 1) || (parameter.downsampSmooth ~= 1) + % Temporal smoothing and downsampling + [f_CRP,CrpFeatureRate] = smoothDownsampleFeature(f_CRP,parameter); + + % re-normalize the vectors according to the norm l^p + f_CRP = normalizeFeature(f_CRP,parameter.normP, parameter.normThresh); +else + CrpFeatureRate = parameter.inputFeatureRate; +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Update sideinfo +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +sideinfo.CRP.coeffsToKeep = parameter.coeffsToKeep; +sideinfo.CRP.applyLogCompr = parameter.applyLogCompr; +sideinfo.CRP.factorLogCompr = parameter.factorLogCompr; +sideinfo.CRP.addTermLogCompr = parameter.addTermLogCompr; +sideinfo.CRP.normP = parameter.normP; +sideinfo.CRP.winLenSmooth = parameter.winLenSmooth; +sideinfo.CRP.downsampSmooth = parameter.downsampSmooth; +sideinfo.CRP.normThresh = parameter.normThresh; +sideinfo.CRP.featureRate = CrpFeatureRate; + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Saving to file +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +if parameter.save + filename = strcat(parameter.saveFilename,'_CRP_',num2str(parameter.winLenSmooth),'_',num2str(parameter.downsampSmooth)); + save(strcat(parameter.saveDir,filename),'f_CRP','sideinfo'); +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Visualization +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +if parameter.visualize + parameterVis.title = 'CRP chromagram'; + parameterVis.featureRate = CrpFeatureRate; + visualizeCRP(f_CRP,parameterVis); +end + +end + +function matrix = internal_DCT(l) + +matrix = zeros(l,l); + +for m = 0:l-1 + for n = 0:l-1 + matrix(m+1,n+1) = sqrt(2/l)*cos((m*(n+0.5)*pi)/l); + end +end + +matrix(1,:) = matrix(1,:)/sqrt(2); + +end diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/pitch_to_chroma.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/pitch_to_chroma.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,179 @@ +function [f_chroma_norm,sideinfo] = pitch_to_chroma(f_pitch,parameter,sideinfo) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: pitch_to_chroma +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% Computes normalized chroma vectors from pitch features +% +% Input: +% f_pitch +% parameter.applyLogCompr = 0; +% parameter.factorLogCompr = 100; +% parameter.addTermLogCompr = 1; +% parameter.winLenSmooth = 1; +% parameter.downsampSmooth = 1; +% parameter.applyNormalization = 1; +% parameter.normP = 2; +% parameter.normThresh = 0.001; +% parameter.midiMin = 1; +% parameter.midiMax = 120; +% parameter.inputFeatureRate = 0; +% parameter.save = 0; +% parameter.save_dir = ''; +% parameter.save_filename = ''; +% parameter.visualize = 0; +% sideinfo +% +% Output: +% f_chroma_norm +% sideinfo +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Check parameters +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +if nargin<3 + sideinfo=[]; +end +if nargin<2 + parameter=[]; +end +if nargin<1 + error('Please specify input data f_pitch'); +end + +if isfield(parameter,'applyLogCompr')==0 + parameter.applyLogCompr = 0; +end +if isfield(parameter,'factorLogCompr')==0 + parameter.factorLogCompr = 100; +end +if isfield(parameter,'addTermLogCompr')==0 + parameter.addTermLogCompr = 1; +end +if isfield(parameter,'winLenSmooth')==0 + parameter.winLenSmooth = 1; +end +if isfield(parameter,'downsampSmooth')==0 + parameter.downsampSmooth = 1; +end +if isfield(parameter,'applyNormalization')==0 + parameter.applyNormalization = 1; +end +if isfield(parameter,'normP')==0 + parameter.normP = 2; +end +if isfield(parameter,'normThresh')==0 + parameter.normThresh = 0.001; +end +if isfield(parameter,'midiMin')==0 + parameter.midiMin = 1; +end +if isfield(parameter,'midiMax')==0 + parameter.midiMax = 120; +end +if isfield(parameter,'inputFeatureRate')==0 + parameter.inputFeatureRate = 0; +end +if isfield(parameter,'save')==0 + parameter.save = 0; +end +if isfield(parameter,'save_dir')==0 + parameter.save_dir = ''; +end +if isfield(parameter,'save_filename')==0 + parameter.save_filename = ''; +end +if isfield(parameter,'visualize')==0 + parameter.visualize = 0; +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Main program +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +seg_num = size(f_pitch,2); + +if parameter.applyLogCompr + f_pitch = log10(parameter.addTermLogCompr+f_pitch*parameter.factorLogCompr); +end + +% calculate energy for each chroma band +f_chroma = zeros(12,seg_num); +for p=parameter.midiMin:parameter.midiMax + chroma = mod(p,12)+1; + f_chroma(chroma,:) = f_chroma(chroma,:)+f_pitch(p,:); +end + +% Temporal smoothing and downsampling +[f_chroma,chromaFeatureRate] = smoothDownsampleFeature(f_chroma,parameter); + +if parameter.applyNormalization + % normalise the chroma vectors according the norm l^p + f_chroma_norm = normalizeFeature(f_chroma,parameter.normP, parameter.normThresh); +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Update sideinfo +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +sideinfo.chroma.applyLogCompr = parameter.applyLogCompr; +sideinfo.chroma.factorLogCompr = parameter.factorLogCompr; +sideinfo.chroma.addTermLogCompr = parameter.addTermLogCompr; +sideinfo.chroma.winLenSmooth = parameter.winLenSmooth; +sideinfo.chroma.downsampSmooth = parameter.downsampSmooth; +sideinfo.chroma.applyNormalization = parameter.applyNormalization; +sideinfo.chroma.normP = parameter.normP; +sideinfo.chroma.normThresh = parameter.normThresh; +sideinfo.chroma.midiMin = parameter.midiMin; +sideinfo.chroma.midiMax = parameter.midiMax; +sideinfo.chroma.chromaFeatureRate = chromaFeatureRate; + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Saving to file +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +if parameter.save == 1 + filename = strcat(parameter.save_filename,'_chroma'); + save(strcat(parameter.save_dir,filename),'f_chroma_norm','f_chroma','sideinfo'); +end + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Visualization +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +if parameter.visualize + titleString = 'Chromagram'; + imagerange = [0 1]; + if parameter.applyLogCompr + titleString = ['Log ', titleString]; + end + if parameter.applyNormalization + imagerange = 0; + titleString = ['Normalized ', titleString]; + end + parameterVis.imagerange = imagerange; + parameterVis.featureRate = chromaFeatureRate; + parameterVis.title = titleString; + visualizeChroma(f_chroma_norm,parameterVis) +end + +end \ No newline at end of file diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/smoothDownsampleFeature.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/smoothDownsampleFeature.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,87 @@ +function [f_feature_stat,newFeatureRate] = smoothDownsampleFeature(f_feature,parameter) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: smoothDownsampleFeature +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% - Temporal smoothing and downsampling of a feature sequence +% +% Remark: +% - parameter.featureRate specifies the input feature rate. This value is +% used to derive the output feature rate. +% +% Input: +% f_feature +% parameter.winLenSmooth = 1; +% parameter.downsampSmooth = 1; +% parameter.inputFeatureRate = 0; +% +% Output: +% f_feature +% newFeatureRate +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Check parameters +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +if nargin<2 + parameter=[]; +end +if nargin<1 + error('Please specify input data'); +end +if isfield(parameter,'winLenSmooth')==0 + parameter.winLenSmooth = 1; +end +if isfield(parameter,'downsampSmooth')==0 + parameter.downsampSmooth = 1; +end +if isfield(parameter,'inputFeatureRate')==0 + parameter.inputFeatureRate = 0; +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Main program +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +% Temporal Smoothing +if (parameter.winLenSmooth ~= 1) || (parameter.downsampSmooth ~= 1) + winLenSmooth = parameter.winLenSmooth; + downsampSmooth = parameter.downsampSmooth; + stat_window = hanning(winLenSmooth); + stat_window = stat_window/sum(stat_window); + + % upfirdn filters and downsamples each column of f_stat_help + f_feature_stat = zeros(size(f_feature)); + f_feature_stat = (upfirdn(f_feature',stat_window,1,downsampSmooth))'; + seg_num = size(f_feature,2); + stat_num = ceil(seg_num/downsampSmooth); + cut = floor((winLenSmooth-1)/(2*downsampSmooth)); + f_feature_stat = f_feature_stat(:,(1+cut:stat_num+cut)); %adjust group delay +else + f_feature_stat = f_feature; +end + +newFeatureRate = parameter.inputFeatureRate / parameter.downsampSmooth; + +end + diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/test_convert_audio_to_pitch.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/test_convert_audio_to_pitch.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,104 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: test_convert_audio_to_pitchSTMSP.m +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% * Computes pitch subband decomposition of WAV file +% (default: MIDI pitches 21 to 108) +% * each pitch subband contains short time mean-square power (STMSP) +% * Features are computed in a batch modus +% * Features are stored in folder 'data_feature/' +% +% Reference: +% Details on the feature computation can be found in the following book: +% +% Meinard Mueller: Information Retrieval for Music and Motion, +% Springer 2007 +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +clear; +close all hidden; + +dirFileNames = { + 'data_WAV/','Bach_BWV988-Aria-Measures1-4_Meinard_fast.wav'; + 'data_WAV/','Burgmueller_Op100-02-FirstPart_Meinard_SE.wav'; + 'data_WAV/','Systematic_Cadence-C-Major_Meinard_portato.wav'; + 'data_WAV/','Systematic_Cadence-C-Major_Meinard_staccato.wav'; + 'data_WAV/','Systematic_Scale-C-Major_Meinard_fast.wav'; + 'data_WAV/','Systematic_Scale-C-Major_Meinard_middle.wav'; + 'data_WAV/','Systematic_Chord-C-Major_Eight-Instruments.wav'; + }; + +for n=1:size(dirFileNames,1) + clear parameter; + parameter.message = 1; + + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + % Convert WAV to expected audio format (mono, 22050 Hz) + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + + [f_audio,sideinfo] = wav_to_audio('', dirFileNames{n,1}, dirFileNames{n,2},parameter); + + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + % Estimation of the global tuning of the recording and selection of + % an appropriate filterbank for use in the next step + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + clear parameter + shiftFB = estimateTuning(f_audio); + fprintf('Using filterbank number: %d\n',shiftFB); + + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + % Compute pitch features + % + % Input: audio file of format: mono, 22050 Hz + % + % Output: sequence of pitch vectors + % (specified by N x 120 matrix f_pitch) + % Only subband for MIDI pitches 21 to 108 are computed, the + % other subbands are set to zero. + % + % Parameter: parameter.win_len specifies window length (in samples) + % with window overlap of half size + % Example: audio sampling rate: 22050 Hz + % parameter.win_len = 4410 + % Resulting feature rate: 10 Hz + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + + clear parameter + parameter.winLenSTMSP = 4410; + parameter.fs = sideinfo.wav.fs; + parameter.save = 1; + parameter.saveDir = 'data_feature/'; + parameter.saveFilename = dirFileNames{n,2}(1:end-4); + parameter.shiftFB = shiftFB; + parameter.saveAsTuned = 1; + [f_pitch,sideinfo] = audio_to_pitch_via_FB(f_audio,parameter,sideinfo); + + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + % Visualization of pitch decomposition (f_pitch) + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + + parameter.usePitchNameLabels = 1; + parameter.title = 'Logarithmic compression of amplitude'; + parameter.featureRate = sideinfo.pitch.featureRate; + parameter.xlabel = 'Time [Seconds]'; + parameter.ylabel = 'Pitch'; + visualizePitch(log(5*f_pitch+1),parameter); +end diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/test_convert_pitch_to_CENS.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/test_convert_pitch_to_CENS.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,75 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: test_convert_pitch_to_CENS.m +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% * Computes CENS features (f_CENS) from pitch features (f_pitch) +% * CENS is a chroma-like feature +% (Chroma Energy Normalized Statistics) +% +% Reference: +% Details on the feature computation can be found in the following book: +% +% Meinard Mueller: Information Retrieval for Music and Motion, +% Springer 2007 +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +clear; +%close all hidden; + +directory = 'data_feature/'; + + +%filename = 'Bach_BWV988-Aria-Measures1-4_Meinard_fast.wav'; +%filename = 'Burgmueller_Op100-02-FirstPart_Meinard_SE.wav'; +%filename = 'Systematic_Cadence-C-Major_Meinard_portato.wav'; +%filename = 'Systematic_Cadence-C-Major_Meinard_staccato.wav'; +%filename = 'Systematic_Scale-C-Major_Meinard_fast.wav'; +%filename = 'Systematic_Scale-C-Major_Meinard_middle.wav'; +filename = 'Systematic_Chord-C-Major_Eight-Instruments.wav'; + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Loads pitch features (f_pitch) and computes CENS features (f_CENS) +% +% Note: feature filename is specified by WAV filename +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +win_len = 4410; +filename_pitch = strcat(filename(1:end-4),'_pitch_',num2str(win_len)); +load(strcat(directory,filename_pitch)); % load f_pitch and sideinfo; + +parameter.winLenSmooth = 21; +parameter.downsampSmooth = 5; +parameter.featureRate = sideinfo.pitch.featureRate; +[f_CENS,sideinfo] = pitch_to_CENS(f_pitch,parameter,sideinfo); + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Visualization of chromagrams (f_CENS,f_chroma) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +parameter.featureRate = sideinfo.CENS.featureRate; +parameter.xlabel = 'Time [Seconds]'; +parameter.title = sprintf('CENS %d %d chromagram',parameter.winLenSmooth,parameter.downsampSmooth); +visualizeChroma(f_CENS,parameter); + + diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/test_convert_pitch_to_CRP.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/test_convert_pitch_to_CRP.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,79 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: test_convert_pitch_to_CRP.m +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% * Computes CRP features (f_crp) from pitch features (f_pitch) +% * CRP is a chroma-like feature tuned for timbre-invariance +% +% Reference: +% Details on the feature computation can be found in the following articles: +% +% Meinard Mueller, Sebastian Ewert, and Sebastian Kreuzer +% Making chroma features more robust to timbre changes. +% Proceedings of IEEE International Conference on Acoustics, Speech, and +% Signal Processing (ICASSP), Taipei, Taiwan, pp. 1869-1872, 2009. +% +% Meinard Mueller, and Sebastian Ewert +% Towards Timbre-Invariant Audio Features for Harmony-Based Music. +% IEEE Transactions on Audio, Speach, and Language Processing. +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +clear; +close all hidden; + +directory = 'data_feature/'; + + +%filename = 'Bach_BWV988-Aria-Measures1-4_Meinard_fast.wav'; +%filename = 'Burgmueller_Op100-02-FirstPart_Meinard_SE.wav'; +%filename = 'Systematic_Cadence-C-Major_Meinard_portato.wav'; +%filename = 'Systematic_Cadence-C-Major_Meinard_staccato.wav'; +%filename = 'Systematic_Scale-C-Major_Meinard_fast.wav'; +%filename = 'Systematic_Scale-C-Major_Meinard_middle.wav'; +filename = 'Systematic_Chord-C-Major_Eight-Instruments.wav'; + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Loads pitch features (f_pitch) and computes CRP features (f_crp) +% +% Note: feature filename is specified by WAV filename +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +win_len = 4410; +filename_pitch = strcat(filename(1:end-4),'_pitch_',num2str(win_len)); +load(strcat(directory,filename_pitch)); % load f_pitch and sideinfo; + +parameter.coeffsToKeep = [55:120]; +parameter.applyLogCompr = 1; +parameter.factorLogCompr = 1000; +parameter.featureRate = sideinfo.pitch.featureRate; +[f_crp,sideinfo] = pitch_to_CRP(f_pitch,parameter,sideinfo); + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Visualization of CRP chromagram +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +parameter.featureRate = sideinfo.CRP.featureRate; +parameter.xlabel = 'Time [Seconds]'; +parameter.title = 'CRP chromagram'; +visualizeCRP(f_crp,parameter); + diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/test_convert_pitch_to_chroma.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/test_convert_pitch_to_chroma.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,85 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: test_convert_pitch_to_chroma.m +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% * Computes chroma features (f_chroma) from pitch features (f_pitch) +% +% Reference: +% Details on the feature computation can be found in the following book: +% +% Meinard Mueller: Information Retrieval for Music and Motion, +% Springer 2007 +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +clear; +close all hidden; + +directory = 'data_feature/'; + + +%filename = 'Bach_BWV988-Aria-Measures1-4_Meinard_fast.wav'; +%filename = 'Burgmueller_Op100-02-FirstPart_Meinard_SE.wav'; +%filename = 'Systematic_Cadence-C-Major_Meinard_portato.wav'; +%filename = 'Systematic_Cadence-C-Major_Meinard_staccato.wav'; +%filename = 'Systematic_Scale-C-Major_Meinard_fast.wav'; +%filename = 'Systematic_Scale-C-Major_Meinard_middle.wav'; +filename = 'Systematic_Chord-C-Major_Eight-Instruments.wav'; + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Loads pitch features (f_pitch) and computes chroma features (f_chroma) +% +% Note: feature filename is specified by WAV filename +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +win_len = 4410; +filename_pitch = strcat(filename(1:end-4),'_pitch_',num2str(win_len)); +load(strcat(directory,filename_pitch)); % load f_pitch and sideinfo; + +parameter.vis = 0; +%parameter.save = 1; +%parameter.save_dir = 'data_feature/'; +%parameter.save_filename = strcat(sideinfo.wav.filename(1:length(sideinfo.wav.filename)-4)); +[f_chroma_norm,sideinfo] = pitch_to_chroma(f_pitch,parameter,sideinfo); + +parameter.applyLogCompr = 1; +parameter.factorLogCompr = 100; +f_logchroma_norm = pitch_to_chroma(f_pitch,parameter,sideinfo); + +parameter.winLenSmooth = 21; +parameter.downsampSmooth = 5; +f_logchroma_normSmoothed = pitch_to_chroma(f_pitch,parameter,sideinfo); + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Visualization of chromagrams (f_chroma_norm,f_chroma) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +parameter.featureRate = sideinfo.pitch.featureRate; +parameter.xlabel = 'Time [Seconds]'; +parameter.title = 'Normalized chromagram'; +visualizeChroma(f_chroma_norm,parameter); + +parameter.title = 'Normalized log-compressed chromagram'; +visualizeChroma(f_logchroma_norm,parameter); + +parameter.title = 'Normalized log-compressed smoothed chromagram'; +visualizeChroma(f_logchroma_normSmoothed,parameter); + diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/visualizeCRP.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/visualizeCRP.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,42 @@ +function visualizeCRP(f_crp,parameter) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: visualizeCRP +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% Visualization of CRP features (wrapper around visualize_chroma) +% +% Input: +% f_CRP +% parameter: is forwarded to visualizeChroma +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +if isfield(parameter,'imagerange')==0 + parameter.imagerange = [-1 1]; +end +if isfield(parameter,'colormap')==0 + blueSepia = gray(64).^0.8; + blueSepia(:,1:2) = blueSepia(:,1:2) * 0.5; + parameter.colormap = [flipud(blueSepia) ; hot(64)]; +end + +visualizeChroma(f_crp,parameter); + +end \ No newline at end of file diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/visualizeChroma.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/visualizeChroma.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,141 @@ +function visualizeChroma(f_chroma,parameter) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: visualizeChroma +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% Visualization of f_chroma +% +% Input: +% f_chroma +% parameter.featureRate = 0; % 0 means unknown +% parameter.colorbar = 1; +% parameter.colormap = 'hot'; +% parameter.print = 0; +% parameter.printFile = 'figure.eps'; +% parameter.printDir = ''; +% parameter.title = ''; +% parameter.xlabel = ''; +% parameter.imagerange = [0 1]; % 0 means automatic +% parameter.fontSize = 0; % 0 means automatic +% parameter.printPaperPosition = [1 10 26 15]; %[left, bottom, width, height] +% parameter.createAxisLabel = 1; +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +if nargin<2 + parameter=[]; +end + +if isfield(parameter,'featureRate')==0 + parameter.featureRate = 0; +end +if isfield(parameter,'colorbar')==0 + parameter.colorbar = 1; +end +if isfield(parameter,'colormap')==0 + parameter.colormap = 'hot'; +end +if isfield(parameter,'print')==0 + parameter.print = 0; +end +if isfield(parameter,'printFile')==0 + parameter.printFile = 'figure.eps'; +end +if isfield(parameter,'printDir')==0 + parameter.printDir = ''; +end +if isfield(parameter,'title')==0 + parameter.title = ''; +end +if isfield(parameter,'xlabel')==0 + parameter.xlabel = ''; +end +if isfield(parameter,'imagerange')==0 + parameter.imagerange = [0 1]; +end +if isfield(parameter,'fontSize')==0 + % 0 means automatic + parameter.fontSize = 0; +end +if isfield(parameter,'printPaperPosition')==0 + parameter.printPaperPosition = [1 10 26 15]; %[left, bottom, width, height] +end +if isfield(parameter,'createAxisLabel')==0 + parameter.createAxisLabel = 1; +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Visualization +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +seg_num = size(f_chroma,2); + +chroma_names = ['C ';'C#';'D ';'D#';'E ';'F ';'F#';'G ';'G#';'A ';'A#';'B ']; +figure; +set(gcf,'renderer','painters'); + +if parameter.featureRate == 0 + t = (1:seg_num); +else + t = (0:seg_num-1)/parameter.featureRate; +end + +if all(parameter.imagerange == 0) + imagesc(t,[1:12],f_chroma); +else + imagesc(t,[1:12],f_chroma,parameter.imagerange); +end +set(gca,'YTick',[1:12]); +set(gca,'YTickLabel',chroma_names); +set(gca,'YDir','normal'); +if t(end)>t(1) + set(gca,'XLim',[t(1),t(end)]); +end + +title(parameter.title); +xlabel(parameter.xlabel); + +if ~parameter.createAxisLabel + set(gca, 'XTick', [], 'YTick', []) +end + +colormap(parameter.colormap); + +if parameter.fontSize + set(gca,'FontSize',parameter.fontSize) +end + +if parameter.colorbar == 1 + hColorbar = colorbar; + if parameter.fontSize + set(hColorbar,'FontSize',parameter.fontSize) + end +end +drawnow; + +if parameter.print == 1 + set(gcf,'PaperPosition',parameter.printPaperPosition); + print('-depsc2',strcat(parameter.printDir,parameter.printFile)); +end + +end + + diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/visualizePitch.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/visualizePitch.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,181 @@ +function visualizePitch(f_pitch,parameter) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: visualizePitch +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% Visualization of f_pitch +% +% Input: +% f_pitch +% parameter.midiMin = 21; +% parameter.midiMax = 108; +% parameter.featureRate = 0; +% parameter.colorbar = 1; +% parameter.colormap = hot2; +% parameter.print = 0; +% parameter.printFile = 'figure.eps'; +% parameter.printDir = ''; +% parameter.title = ''; +% parameter.xlabel = ''; +% parameter.ylabel = ''; +% parameter.imagerange = 0; %[0 1]; % 0 means automatic +% parameter.usePitchNameLabels = 0; +% parameter.PitchNameLabels = ... +% parameter.Ytick = [1 10 20 30 40 50 60 70 80 90 100 110 120]; % not used when usePitchNameLabels==1 +% parameter.printPaperPosition = [1 10 26 15]; %[left, bottom, width, height] +% parameter.fontSize = 0; % 0 means automatic +% parameter.createAxisLabel = 1; +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +if nargin<2 + parameter=[]; +end + +if isfield(parameter,'midiMin')==0 + parameter.midiMin = 21; +end +if isfield(parameter,'midiMax')==0 + parameter.midiMax = 108; +end +if isfield(parameter,'featureRate')==0 + parameter.featureRate = 0; +end +if isfield(parameter,'colorbar')==0 + parameter.colorbar = 1; +end +if (isfield(parameter,'colormap')==0) || (isstr(parameter.colormap) && strcmpi(parameter.colormap,'hot2')) + hot2 = hot(64); + hot2 = [hot2; hot2(32:64,:); hot2(32:64,:)]; + hot2 = sort(hot2); + parameter.colormap = hot2; +end +if isfield(parameter,'print')==0 + parameter.print = 0; +end +if isfield(parameter,'printFile')==0 + parameter.printFile = 'figure.eps'; +end +if isfield(parameter,'printDir')==0 + parameter.printDir = ''; +end +if isfield(parameter,'title')==0 + parameter.title = ''; +end +if isfield(parameter,'xlabel')==0 + parameter.xlabel = ''; +end +if isfield(parameter,'ylabel')==0 + parameter.ylabel = ''; +end +if isfield(parameter,'imagerange')==0 + parameter.imagerange = 0; %[0 1]; +end +if isfield(parameter,'usePitchNameLabels')==0 + parameter.usePitchNameLabels = 0; +end +if isfield(parameter,'PitchNameLabels')==0 + parameter.PitchNameLabels = ... + [' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';... + 'C0 ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';... + 'C1 ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';... + 'C2 ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';... + 'C3 ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';... + 'C4 ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';... + 'C5 ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';... + 'C6 ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';... + 'C7 ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';... + 'C8 ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';' ';... + 'C9 ']; +end +if isfield(parameter,'Ytick')==0 + parameter.Ytick = [1 10 20 30 40 50 60 70 80 90 100 110 120]; % not used when usePitchNameLabels==1 +end +if isfield(parameter,'printPaperPosition')==0 + parameter.printPaperPosition = [1 10 26 15]; %[left, bottom, width, height] +end +if isfield(parameter,'fontSize')==0 + % 0 means automatic + parameter.fontSize = 0; +end +if isfield(parameter,'createAxisLabel')==0 + parameter.createAxisLabel = 1; +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Visualization +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +figure; + +if parameter.featureRate == 0 + t_axis = (1:size(f_pitch,2)); +else + t_axis = (0:size(f_pitch,2)-1)/parameter.featureRate; +end + +p_axis = (parameter.midiMin:parameter.midiMax); +f_image = f_pitch(p_axis,:); + +if parameter.imagerange == 0 + imagesc(t_axis,p_axis,f_image); +else + imagesc(t_axis,p_axis,f_image,parameter.imagerange); +end + +set(gca,'YTick',parameter.Ytick); +set(gca,'YDir','normal'); + +if parameter.usePitchNameLabels + set(gca,'YTick',[parameter.midiMin:parameter.midiMax]); + set(gca,'YTickLabel',parameter.PitchNameLabels(parameter.midiMin:parameter.midiMax,:)); +end + +title(parameter.title); +xlabel(parameter.xlabel); +ylabel(parameter.ylabel); + +if ~parameter.createAxisLabel + set(gca, 'XTick', [], 'YTick', []) +end + +colormap(parameter.colormap); + +if parameter.fontSize + set(gca,'FontSize',parameter.fontSize) +end + +if parameter.colorbar == 1 + hColorbar = colorbar; + if parameter.fontSize + set(hColorbar,'FontSize',parameter.fontSize) + end +end + +drawnow; + +if parameter.print == 1 + set(gcf,'PaperPosition',parameter.printPaperPosition); + print('-depsc2',strcat(parameter.printDir,parameter.printFile)); +end + +end + + diff -r 000000000000 -r b54ee0a0be67 matlab/MATLAB-Chroma-Toolbox_2.0/wav_to_audio.m --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/matlab/MATLAB-Chroma-Toolbox_2.0/wav_to_audio.m Wed Aug 05 21:08:56 2015 +0100 @@ -0,0 +1,201 @@ +function [f_audio,sideinfo] = wav_to_audio(dirAbs,dirRel,wavfilename,parameter) +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Name: wav_to_audio +% Date of Revision: 2011-03 +% Programmer: Meinard Mueller, Sebastian Ewert +% +% Description: +% Loads a Wav file and fills a sideinfo variable according to AGtoolbox +% specifications. Resampling and single channel conversion is default, but +% optional. +% +% Input: +% dirAbs +% dirRel +% wavfilename +% parameter.useResampling = 1; +% parameter.destSamplerate = 22050; +% parameter.convertToMono = 1; +% parameter.monoConvertMode = 'downmix'; +% parameter.message = 0; +% parameter.vis = 0; +% parameter.save = 0; +% parameter.saveDir = [dirAbs,dirRel]; +% parameter.saveFilename = wavfilename; +% +% Output: +% f_audio +% sideinfo.wav.version +% sideinfo.wav.filename +% sideinfo.wav.dirRel +% sideinfo.wav.size +% sideinfo.wav.duration +% sideinfo.wav.energy +% sideinfo.wav.fs +% sideinfo.wav.nbits +% sideinfo.wav.channels +% sideinfo.wav.resampled +% sideinfo.wav.monoConverted +% sideinfo.wav.monoConvertMode +% +% +% License: +% This file is part of 'Chroma Toolbox'. +% +% 'Chroma Toolbox' is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 2 of the License, or +% (at your option) any later version. +% +% 'Chroma Toolbox' is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with 'Chroma Toolbox'. If not, see . +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Check parameters +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +if nargin<4 + parameter=[]; +end +if nargin<3 + error('Please specify at least the path and filename of the wav file') +end + +if isfield(parameter,'useResampling')==0 + parameter.useResampling = 1; +end +if isfield(parameter,'destSamplerate')==0 + parameter.destSamplerate = 22050; +end +if isfield(parameter,'convertToMono')==0 + parameter.convertToMono = 1; +end +if isfield(parameter,'monoConvertMode')==0 + parameter.monoConvertMode = 'downmix'; +end +if isfield(parameter,'message')==0 + parameter.message = 0; +end +if isfield(parameter,'vis')==0 + parameter.vis = 0; +end +if isfield(parameter,'save')==0 + parameter.save = 0; +end +if isfield(parameter,'saveDir')==0 + parameter.saveDir = [dirAbs,dirRel]; +end +if isfield(parameter,'saveFilename')==0 + parameter.saveFilename = wavfilename; +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Main program +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +if parameter.message == 1 + fprintf('wav_to_audio: processing %s, ',wavfilename); +end + +[pathstr,name,ext] = fileparts(wavfilename); +if strcmp(ext,'.wav') + [f_audio,fs,nbits] = wavread(strcat(dirAbs,dirRel,wavfilename)); +else + error(['Unknown file format ' ext]); +end + + +bConverted_to_mono = 0; +if parameter.convertToMono + if size(f_audio,2)>1 + bConverted_to_mono = 1; + if parameter.message == 1 + fprintf('converting to mono, '); + end + switch parameter.monoConvertMode + case 'leftmost_channel' + f_audio= f_audio(:,1); + case 'rightmost_channel' + f_audio= f_audio(:,size(f_audio,2)); + case 'downmix' + % pay attention to energy loss due to differences in phase + % when using this method. This is often the case for bad + % stereo mixes + nChannels = size(f_audio,2); + + f_audio = sum(f_audio,2); + f_audio = f_audio / nChannels; + otherwise + disp('wav_to_audio: monoConvertMode : Unknown method') + end + end +end + +bResampled = 0; +if parameter.useResampling + if (fs ~= parameter.destSamplerate) + bResampled = 1; + if parameter.message == 1 + fprintf('Resampling to %d, ', parameter.destSamplerate); + end + f_audio = resample (f_audio,parameter.destSamplerate,fs,100); + fs = parameter.destSamplerate; + end +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Update sideinfo +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +sideinfo.wav.version = 1; +sideinfo.wav.filename = wavfilename; +sideinfo.wav.dirRel = dirRel; +sideinfo.wav.size = size(f_audio,1); +sideinfo.wav.duration = (sideinfo.wav.size-1)/fs; +sideinfo.wav.energy = sum(f_audio.^2); +sideinfo.wav.fs = fs; +sideinfo.wav.nbits = nbits; +sideinfo.wav.channels = size(f_audio,2); +sideinfo.wav.resampled = bResampled; +sideinfo.wav.monoConverted = bConverted_to_mono; +if bConverted_to_mono + sideinfo.wav.monoConvertMode = parameter.monoConvertMode; +else + sideinfo.wav.monoConvertMode = 'none'; +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Saving data +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +if parameter.save == 1 + if parameter.message == 1 + fprintf('Saving to file, '); + end + filename = strcat(parameter.saveFilename,'_audio'); + save(strcat(parameter.saveDir,filename),'f_audio','sideinfo'); +end + +if parameter.message == 1 + fprintf('Done\n'); +end + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Visualization +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +if parameter.vis + figure; + for k=1:sideinfo.wav.channels + if sideinfo.wav.channels > 1 + subplot(sideinfo.wav.channels,1,k); + end + plot( [0:sideinfo.wav.size-1] / sideinfo.wav.fs , f_audio(:,k)); + axis tight; + end +end + +end \ No newline at end of file