Chris@35: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@35: 
Chris@35: /*
Chris@35:   NNLS-Chroma / Chordino
Chris@35: 
Chris@35:   Audio feature extraction plugins for chromagram and chord
Chris@35:   estimation.
Chris@35: 
Chris@35:   Centre for Digital Music, Queen Mary University of London.
Chris@35:   This file copyright 2008-2010 Matthias Mauch and QMUL.
Chris@35:     
Chris@35:   This program is free software; you can redistribute it and/or
Chris@35:   modify it under the terms of the GNU General Public License as
Chris@35:   published by the Free Software Foundation; either version 2 of the
Chris@35:   License, or (at your option) any later version.  See the file
Chris@35:   COPYING included with this distribution for more information.
Chris@35: */
Chris@27: 
Chris@27: #ifndef _CHROMA_METHODS_H_
Chris@27: #define _CHROMA_METHODS_H_
Chris@27: 
Chris@27: #include <vector>
Chris@27: #include <string>
Chris@27: 
mail@76: const int nBPS = 3; // bins per semitone
mail@76: const int nOctave = 7;
mail@76: const int nNote = nOctave * 12 * nBPS + 2 * (nBPS/2); // a core over all octaves, plus some overlap at top and bottom
Chris@27: 
Chris@27: extern std::vector<float> SpecialConvolution(std::vector<float> convolvee, std::vector<float> kernel);
mail@41: extern void dictionaryMatrix(float* dm, float s_param);
Chris@27: extern std::vector<std::string> chordDictionary(std::vector<float> *mchorddict);
Chris@27: extern bool logFreqMatrix(int fs, int blocksize, float *outmatrix);
Chris@27: 
Chris@27: static const char* notenames[24] = {
Chris@27:     "A  (bass)","Bb (bass)","B  (bass)","C  (bass)","C# (bass)","D  (bass)","Eb (bass)","E  (bass)","F  (bass)","F# (bass)","G  (bass)","Ab (bass)",
Chris@27:     "A","Bb","B","C","C#","D","Eb","E","F","F#","G","Ab"};
Chris@27: 
Chris@27: static const char* bassnames[12][12] ={
Chris@27:     {"A","","B","C","C#","D","","E","","F#","G","G#"},
Chris@27:     {"Bb","","C","Db","D","Eb","","F","","G","Ab","A"},
Chris@27:     {"B","","C#","D","D#","E","","F#","","G#","A","A#"},
Chris@27:     {"C","","D","Eb","E","F","","G","","A","Bb","B"},
Chris@27:     {"C#","","D#","E","E#","F#","","G#","","A#","B","B#"},
Chris@27:     {"D","","E","F","F#","G","","A","","B","C","C#"},
Chris@27:     {"Eb","","F","Gb","G","Ab","","Bb","","C","Db","D"},
Chris@27:     {"E","","F#","G","G#","A","","B","","C#","D","D#"},
Chris@27:     {"F","","G","Ab","A","Bb","","C","","D","Eb","E"},
Chris@27:     {"F#","","G#","A","A#","B","","C#","","D#","E","E#"},
Chris@27:     {"G","","A","Bb","B","C","","D","","E","F","F#"},
Chris@27:     {"Ab","","Bb","Cb","C","Db","","Eb","","F","Gb","G"}
Chris@27: };
Chris@27: 
Chris@27: static const float basswindow[] = {0.001769, 0.015848, 0.043608, 0.084265, 0.136670, 0.199341, 0.270509, 0.348162, 0.430105, 0.514023, 0.597545, 0.678311, 0.754038, 0.822586, 0.882019, 0.930656, 0.967124, 0.990393, 0.999803, 0.995091, 0.976388, 0.944223, 0.899505, 0.843498, 0.777785, 0.704222, 0.624888, 0.542025, 0.457975, 0.375112, 0.295778, 0.222215, 0.156502, 0.100495, 0.055777, 0.023612, 0.004909, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000};
Chris@27: static const float treblewindow[] = {0.000350, 0.003144, 0.008717, 0.017037, 0.028058, 0.041719, 0.057942, 0.076638, 0.097701, 0.121014, 0.146447, 0.173856, 0.203090, 0.233984, 0.266366, 0.300054, 0.334860, 0.370590, 0.407044, 0.444018, 0.481304, 0.518696, 0.555982, 0.592956, 0.629410, 0.665140, 0.699946, 0.733634, 0.766016, 0.796910, 0.826144, 0.853553, 0.878986, 0.902299, 0.923362, 0.942058, 0.958281, 0.971942, 0.982963, 0.991283, 0.996856, 0.999650, 0.999650, 0.996856, 0.991283, 0.982963, 0.971942, 0.958281, 0.942058, 0.923362, 0.902299, 0.878986, 0.853553, 0.826144, 0.796910, 0.766016, 0.733634, 0.699946, 0.665140, 0.629410, 0.592956, 0.555982, 0.518696, 0.481304, 0.444018, 0.407044, 0.370590, 0.334860, 0.300054, 0.266366, 0.233984, 0.203090, 0.173856, 0.146447, 0.121014, 0.097701, 0.076638, 0.057942, 0.041719, 0.028058, 0.017037, 0.008717, 0.003144, 0.000350};
Chris@27: 
Chris@27: static const float sinvalue = 0.866025404;
Chris@27: static const float cosvalue = -0.5;
Chris@27: 
mail@76: 
mail@76: 
Chris@27: #include "nnls.h"
Chris@27: 
Chris@27: #endif
Chris@27: