comparison plugin-doc/qm-vamp-plugins.html @ 109:678a88672953 website

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date Tue, 08 Sep 2015 17:58:01 +0100
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13 <h2>QM Vamp Plugins</h2> 13 <h2>QM Vamp Plugins</h2>
14 14
15 <p>The QM Vamp Plugin set is a library of Vamp audio feature 15 <p>The QM Vamp Plugin set is a library of Vamp audio feature
16 extraction plugins developed at the <a 16 extraction plugins developed at the <a
17 href="http://www.elec.qmul.ac.uk/digitalmusic/">Centre for Digital 17 href="http://c4dm.eecs.qmul.ac.uk/">Centre for Digital Music</a> at
18 Music</a> at Queen Mary, University of London. These plugins are 18 Queen Mary, University of London. These plugins are provided as a
19 provided as a single library file, made available in binary form for 19 single library file, made available in source and binary form for
20 Windows, OS/X, and Linux from the Centre for Digital Music's <a 20 Windows, OS/X, and Linux via the <a
21 href="http://isophonics.net/QMVampPlugins">download 21 href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/">SoundSoftware
22 page</a>. 22 code site</a> (see <a
23 href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">download
24 page</a>).
25
23 </p> 26 </p>
24 <p>For more information about Vamp plugins, see <a href="http://www.vamp-plugins.org/">http://www.vamp-plugins.org/</a> . 27 <p>For more information about Vamp plugins, see <a href="http://www.vamp-plugins.org/">http://www.vamp-plugins.org/</a> .
25 </p> 28 </p>
26 29
27 <div class="toc2">1. &nbsp;<a href="#qm-onsetdetector">Note Onset Detector</a></div> 30 <div class="toc2">1. &nbsp;<a href="#qm-onsetdetector">Note Onset Detector</a></div>
40 43
41 <a name="qm-onsetdetector"></a><h2>1. Note Onset Detector</h2> 44 <a name="qm-onsetdetector"></a><h2>1. Note Onset Detector</h2>
42 45
43 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-onsetdetector</code> 46 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-onsetdetector</code>
44 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-onsetdetector">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-onsetdetector</a> 47 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-onsetdetector">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-onsetdetector</a>
45 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 48 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
46 </p> 49 </p>
47 <p>Note Onset Detector analyses a single channel of audio and estimates 50 <p>Note Onset Detector analyses a single channel of audio and estimates
48 the onset times of notes within the music &ndash; that is, the times at 51 the onset times of notes within the music &ndash; that is, the times at
49 which notes and other audible events begin. 52 which notes and other audible events begin.
50 </p> 53 </p>
107 110
108 <a name="qm-tempotracker"></a><h2>2. Tempo and Beat Tracker</h2> 111 <a name="qm-tempotracker"></a><h2>2. Tempo and Beat Tracker</h2>
109 112
110 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-tempotracker</code> 113 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-tempotracker</code>
111 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-tempotracker">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-tempotracker</a> 114 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-tempotracker">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-tempotracker</a>
112 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 115 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
113 </p> 116 </p>
114 <p>Tempo and Beat Tracker analyses a single channel of audio and 117 <p>Tempo and Beat Tracker analyses a single channel of audio and
115 estimates the positions of metrical beats within the music (the 118 estimates the positions of metrical beats within the music (the
116 equivalent of a human listener tapping their foot to the beat). 119 equivalent of a human listener tapping their foot to the beat).
117 </p> 120 </p>
180 183
181 <a name="qm-barbeattracker"></a><h2>3. Bar and Beat Tracker</h2> 184 <a name="qm-barbeattracker"></a><h2>3. Bar and Beat Tracker</h2>
182 185
183 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-barbeattracker</code> 186 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-barbeattracker</code>
184 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-barbeattracker">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-barbeattracker</a> 187 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-barbeattracker">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-barbeattracker</a>
185 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 188 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
186 </p> 189 </p>
187 190
188 <p>Bar and Beat Tracker analyses a single channel of audio and 191 <p>Bar and Beat Tracker analyses a single channel of audio and
189 estimates the positions of bar lines and the resulting counted 192 estimates the positions of bar lines and the resulting counted
190 metrical beat positions within the music (where the first beat of 193 metrical beat positions within the music (where the first beat of
286 289
287 <a name="qm-keydetector"></a><h2>4. Key Detector</h2> 290 <a name="qm-keydetector"></a><h2>4. Key Detector</h2>
288 291
289 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-keydetector</code> 292 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-keydetector</code>
290 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-keydetector">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-keydetector</a> 293 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-keydetector">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-keydetector</a>
291 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 294 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
292 </p> 295 </p>
293 <p>Key Detector analyses a single channel of audio and continuously 296 <p>Key Detector analyses a single channel of audio and continuously
294 estimates the key of the music by comparing the degree to which a 297 estimates the key of the music by comparing the degree to which a
295 block-by-block chromagram correlates to the stored key profiles for 298 block-by-block chromagram correlates to the stored key profiles for
296 each major and minor key. 299 each major and minor key.
345 348
346 <a name="qm-tonalchange"></a><h2>5. Tonal Change</h2> 349 <a name="qm-tonalchange"></a><h2>5. Tonal Change</h2>
347 350
348 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-tonalchange</code> 351 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-tonalchange</code>
349 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-tonalchange">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-tonalchange</a> 352 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-tonalchange">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-tonalchange</a>
350 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 353 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
351 </p> 354 </p>
352 <p>Tonal Change analyses a single channel of audio, detecting harmonic 355 <p>Tonal Change analyses a single channel of audio, detecting harmonic
353 changes such as chord boundaries. 356 changes such as chord boundaries.
354 </p> 357 </p>
355 <h3>Parameters</h3> 358 <h3>Parameters</h3>
395 398
396 <a name="qm-adaptivespectrogram"></a><h2>6. Adaptive Spectrogram</h2> 399 <a name="qm-adaptivespectrogram"></a><h2>6. Adaptive Spectrogram</h2>
397 400
398 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-adaptivespectrogram</code> 401 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-adaptivespectrogram</code>
399 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-adaptivespectrogram">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-adaptivespectrogram</a> 402 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-adaptivespectrogram">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-adaptivespectrogram</a>
400 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 403 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
401 </p> 404 </p>
402 405
403 <p>Adaptive Spectrogram produces a composite spectrogram from a set of 406 <p>Adaptive Spectrogram produces a composite spectrogram from a set of
404 series of short-time Fourier transforms at differing resolutions. 407 series of short-time Fourier transforms at differing resolutions.
405 Values are selected from these spectrograms by repeated subdivision by 408 Values are selected from these spectrograms by repeated subdivision by
446 449
447 <a name="qm-transcription"></a><h2>7. Polyphonic Transcription</h2> 450 <a name="qm-transcription"></a><h2>7. Polyphonic Transcription</h2>
448 451
449 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-transcription</code> 452 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-transcription</code>
450 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-transcription">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-transcription</a> 453 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-transcription">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-transcription</a>
451 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 454 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
452 455
453 <p>The Polyphonic Transcription plugin estimates a note transcription 456 <p>The Polyphonic Transcription plugin estimates a note transcription
454 using MIDI pitch values from its input audio, returning a feature for 457 using MIDI pitch values from its input audio, returning a feature for
455 each note (with timestamp and duration) whose value is the MIDI pitch 458 each note (with timestamp and duration) whose value is the MIDI pitch
456 number. Velocity is not estimated.</p> 459 number. Velocity is not estimated.</p>
475 478
476 <a name="qm-segmenter"></a><h2>8. Segmenter</h2> 479 <a name="qm-segmenter"></a><h2>8. Segmenter</h2>
477 480
478 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-segmenter</code> 481 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-segmenter</code>
479 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-segmenter">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-segmenter</a> 482 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-segmenter">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-segmenter</a>
480 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 483 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
481 </p> 484 </p>
482 <p>Segmenter divides a single channel of music up into structurally 485 <p>Segmenter divides a single channel of music up into structurally
483 consistent segments. It returns a numeric value (the segment type) 486 consistent segments. It returns a numeric value (the segment type)
484 for each moment at which a new segment starts. 487 for each moment at which a new segment starts.
485 </p> 488 </p>
574 </p> 577 </p>
575 <a name="qm-similarity"></a><h2>9. Similarity</h2> 578 <a name="qm-similarity"></a><h2>9. Similarity</h2>
576 579
577 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-similarity</code> 580 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-similarity</code>
578 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-similarity">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-similarity</a> 581 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-similarity">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-similarity</a>
579 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 582 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
580 </p> 583 </p>
581 <p>Similarity treats each channel of its audio input as a separate 584 <p>Similarity treats each channel of its audio input as a separate
582 "track", and estimates how similar the tracks are to one another using 585 "track", and estimates how similar the tracks are to one another using
583 a selectable similarity measure. 586 a selectable similarity measure.
584 </p> 587 </p>
661 664
662 <a name="qm-dwt"></a><h2>10. Discrete Wavelet Transform</h2> 665 <a name="qm-dwt"></a><h2>10. Discrete Wavelet Transform</h2>
663 666
664 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-dwt</code> 667 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-dwt</code>
665 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-dwt">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-dwt</a> 668 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-dwt">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-dwt</a>
666 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 669 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
667 670
668 <p>Discrete Wavelet Transform plugin performs the forward DWT on the 671 <p>Discrete Wavelet Transform plugin performs the forward DWT on the
669 signal. The wavelet coefficients are derived from a fast segmented DWT 672 signal. The wavelet coefficients are derived from a fast segmented DWT
670 algorithm without block end effects. The DWT can be performed with 673 algorithm without block end effects. The DWT can be performed with
671 various functions from a selection of wavelets up to the 16th scale.<p> 674 various functions from a selection of wavelets up to the 16th scale.<p>
698 701
699 <a name="qm-constantq"></a><h2>11. Constant-Q Spectrogram</h2> 702 <a name="qm-constantq"></a><h2>11. Constant-Q Spectrogram</h2>
700 703
701 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-constantq</code> 704 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-constantq</code>
702 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-constantq">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-constantq</a> 705 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-constantq">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-constantq</a>
703 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 706 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
704 </p> 707 </p>
705 <p>Constant-Q Spectrogram calculates a spectrogram based on a short-time 708 <p>Constant-Q Spectrogram calculates a spectrogram based on a short-time
706 windowed constant Q spectral transform. This is a spectrogram in 709 windowed constant Q spectral transform. This is a spectrogram in
707 which the ratio of centre frequency to resolution is constant for each 710 which the ratio of centre frequency to resolution is constant for each
708 frequency bin. The frequency bins correspond to the frequencies of 711 frequency bin. The frequency bins correspond to the frequencies of
748 </p> 751 </p>
749 <a name="qm-chromagram"></a><h2>12. Chromagram</h2> 752 <a name="qm-chromagram"></a><h2>12. Chromagram</h2>
750 753
751 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-chromagram</code> 754 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-chromagram</code>
752 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-chromagram">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-chromagram</a> 755 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-chromagram">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-chromagram</a>
753 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 756 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
754 </p> 757 </p>
755 <p>Chromagram calculates a constant Q spectral transform (as in the 758 <p>Chromagram calculates a constant Q spectral transform (as in the
756 Constant Q Spectrogram plugin) and then wraps the frequency bin values 759 Constant Q Spectrogram plugin) and then wraps the frequency bin values
757 into a single octave, with each bin containing the sum of the 760 into a single octave, with each bin containing the sum of the
758 magnitudes from the corresponding bin in all octaves. The number of 761 magnitudes from the corresponding bin in all octaves. The number of
798 </p> 801 </p>
799 <a name="qm-mfcc"></a><h2>13. Mel-Frequency Cepstral Coefficients</h2> 802 <a name="qm-mfcc"></a><h2>13. Mel-Frequency Cepstral Coefficients</h2>
800 803
801 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-mfcc</code> 804 <p><b>System identifier</b> &ndash; <code>vamp:qm-vamp-plugins:qm-mfcc</code>
802 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-mfcc">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-mfcc</a> 805 <br><b>RDF URI</b> &ndash; <a href="http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-mfcc">http://vamp-plugins.org/rdf/plugins/qm-vamp-plugins#qm-mfcc</a>
803 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins">Download location</a> 806 <br><b>Links</b> &ndash; <a href="#">Back to top of library documentation</a> &ndash; <a href="https://code.soundsoftware.ac.uk/projects/qm-vamp-plugins/files">Download location</a>
804 </p> 807 </p>
805 <p>Mel-Frequency Cepstral Coefficients calculates MFCCs from a single 808 <p>Mel-Frequency Cepstral Coefficients calculates MFCCs from a single
806 channel of audio. These coefficients, derived from a cosine transform 809 channel of audio. These coefficients, derived from a cosine transform
807 of the mapping of an audio spectrum onto a frequency scale modelled on 810 of the mapping of an audio spectrum onto a frequency scale modelled on
808 human auditory response, are widely used in speech recognition, music 811 human auditory response, are widely used in speech recognition, music