annotate chromamethods.h @ 184:82d5d11b68d7 tip

Update library URI so it's not document-local
author Chris Cannam
date Wed, 22 Apr 2020 14:21:25 +0100
parents 7a8956e903e1
children
rev   line source
Chris@35 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@35 2
Chris@35 3 /*
Chris@35 4 NNLS-Chroma / Chordino
Chris@35 5
Chris@35 6 Audio feature extraction plugins for chromagram and chord
Chris@35 7 estimation.
Chris@35 8
Chris@35 9 Centre for Digital Music, Queen Mary University of London.
Chris@35 10 This file copyright 2008-2010 Matthias Mauch and QMUL.
Chris@35 11
Chris@35 12 This program is free software; you can redistribute it and/or
Chris@35 13 modify it under the terms of the GNU General Public License as
Chris@35 14 published by the Free Software Foundation; either version 2 of the
Chris@35 15 License, or (at your option) any later version. See the file
Chris@35 16 COPYING included with this distribution for more information.
Chris@35 17 */
Chris@27 18
Chris@27 19 #ifndef _CHROMA_METHODS_H_
Chris@27 20 #define _CHROMA_METHODS_H_
Chris@27 21
Chris@27 22 #include <vector>
Chris@27 23 #include <string>
Chris@27 24
matthiasm@86 25 const int nBPS = 3; // bins per semitone
mail@76 26 const int nOctave = 7;
mail@77 27 const int nNote = nOctave * 12 * nBPS + 2 * (nBPS/2+1); // a core over all octaves, plus some overlap at top and bottom
matthiasm@86 28 const int MIDI_basenote = 45;
Chris@27 29
Chris@27 30 extern std::vector<float> SpecialConvolution(std::vector<float> convolvee, std::vector<float> kernel);
mail@41 31 extern void dictionaryMatrix(float* dm, float s_param);
mail@115 32 extern std::vector<std::string> chordDictionary(std::vector<float> *mchorddict, std::vector<std::vector<int> > *m_chordnotes, float boostN, float harte_syntax);
Chris@27 33 extern bool logFreqMatrix(int fs, int blocksize, float *outmatrix);
Chris@27 34
Chris@27 35 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 36 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 37
mail@76 38
Chris@27 39 #include "nnls.h"
Chris@27 40
Chris@27 41 #endif
Chris@27 42