1 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
2 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
3 @prefix vamp: <http://purl.org/ontology/vamp/> .
4 @prefix plugbase: <http://vamp-plugins.org/rdf/plugins/vamp-aubio#> .
5 @prefix owl: <http://www.w3.org/2002/07/owl#> .
6 @prefix dc: <http://purl.org/dc/elements/1.1/> .
7 @prefix af: <http://purl.org/ontology/af/> .
8 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
9 @prefix doap: <http://usefulinc.com/ns/doap#> .
10 @prefix cc: <http://web.resource.org/cc/> .
13 <> a vamp:PluginDescription ;
14 foaf:maker <http://www.vamp-plugins.org/doap.rdf#template-generator> ;
15 foaf:primaryTopic <http://vamp-plugins.org/rdf/plugins/vamp-aubio> .
18 foaf:name "Paul Brossier" ;
19 foaf:logo <http://aubio.org/smallrect.png> ;
20 foaf:page <http://aubio.org> .
22 :vamp-aubio a vamp:PluginLibrary ;
23 vamp:identifier "vamp-aubio" ;
24 dc:title "Vamp Aubio plugins" ;
25 dc:description "The Vamp Aubio Plugins provide methods from Paul Brossier's aubio annotation library, including beat and tempo tracking, onset detection, pitch detection, note tracking, silence detector, and Mel-frequency cepstral coefficients." ;
27 foaf:page <http://aubio.org/vamp-aubio-plugins/> ;
28 doap:download-page <http://aubio.org/vamp-aubio-plugins/download> ;
29 vamp:has_source true ;
30 vamp:has_binary "win32" ;
31 vamp:has_binary "osx" ;
32 vamp:has_binary "linux64" ;
33 vamp:available_plugin plugbase:aubionotes ;
34 vamp:available_plugin plugbase:aubioonset ;
35 vamp:available_plugin plugbase:aubiopitch ;
36 vamp:available_plugin plugbase:aubiosilence ;
37 vamp:available_plugin plugbase:aubiotempo ;
38 vamp:available_plugin plugbase:aubiomfcc ;
39 vamp:available_plugin plugbase:aubiomelenergy ;
40 vamp:available_plugin plugbase:aubiospecdesc ;
43 plugbase:aubionotes a vamp:Plugin ;
44 dc:title "Aubio Note Tracker" ;
45 vamp:name "Aubio Note Tracker" ;
46 vamp:category "Notes" ;
47 dc:description """Estimate note onset positions, pitches and durations""" ;
50 # cc:license <Place plugin license URI here and uncomment> ;
51 vamp:identifier "aubionotes" ;
52 vamp:vamp_API_version vamp:api_version_2 ;
54 vamp:input_domain vamp:TimeDomain ;
56 vamp:parameter plugbase:aubionotes_param_onsettype ;
57 vamp:parameter plugbase:aubionotes_param_pitchtype ;
58 vamp:parameter plugbase:aubionotes_param_minpitch ;
59 vamp:parameter plugbase:aubionotes_param_maxpitch ;
60 vamp:parameter plugbase:aubionotes_param_wraprange ;
61 vamp:parameter plugbase:aubionotes_param_avoidleaps ;
62 vamp:parameter plugbase:aubionotes_param_peakpickthreshold ;
63 vamp:parameter plugbase:aubionotes_param_silencethreshold ;
64 vamp:parameter plugbase:aubionotes_param_minioi ;
66 vamp:output plugbase:aubionotes_output_notes ;
68 plugbase:aubionotes_param_onsettype a vamp:QuantizedParameter ;
69 vamp:identifier "onsettype" ;
70 dc:title "Onset Detection Function Type" ;
71 dc:description """Type of onset detection function to use""" ;
76 vamp:quantize_step 1 ;
77 vamp:default_value 3 ;
78 vamp:value_names ( "Energy Based" "Spectral Difference" "High-Frequency Content" "Complex Domain" "Phase Deviation" "Kullback-Liebler" "Modified Kullback-Liebler" "Spectral Flux");
80 plugbase:aubionotes_param_pitchtype a vamp:QuantizedParameter ;
81 vamp:identifier "pitchtype" ;
82 dc:title "Pitch Detection Function Type" ;
83 dc:description """Type of pitch detection function to use""" ;
88 vamp:quantize_step 1 ;
89 vamp:default_value 4 ;
90 vamp:value_names ( "YIN Frequency Estimator" "Spectral Comb" "Schmitt" "Fast Harmonic Comb" "YIN with FFT");
92 plugbase:aubionotes_param_minpitch a vamp:QuantizedParameter ;
93 vamp:identifier "minpitch" ;
94 dc:title "Minimum Pitch" ;
95 dc:description """Lowest pitch value to look for""" ;
96 dc:format "MIDI units" ;
99 vamp:unit "MIDI units" ;
100 vamp:quantize_step 1 ;
101 vamp:default_value 32 ;
104 plugbase:aubionotes_param_maxpitch a vamp:QuantizedParameter ;
105 vamp:identifier "maxpitch" ;
106 dc:title "Maximum Pitch" ;
107 dc:description """Highest pitch value to look for""" ;
108 dc:format "MIDI units" ;
111 vamp:unit "MIDI units" ;
112 vamp:quantize_step 1 ;
113 vamp:default_value 95 ;
116 plugbase:aubionotes_param_wraprange a vamp:QuantizedParameter ;
117 vamp:identifier "wraprange" ;
118 dc:title "Fold Higher or Lower Notes into Range" ;
119 dc:description """Notes detected outside the range will be transposed to higher or lower octaves""" ;
124 vamp:quantize_step 1 ;
125 vamp:default_value 0 ;
128 plugbase:aubionotes_param_avoidleaps a vamp:QuantizedParameter ;
129 vamp:identifier "avoidleaps" ;
130 dc:title "Avoid Multi-Octave Jumps" ;
131 dc:description """Minimize octave jumps by transposing to the octave of the previously detected note""" ;
136 vamp:quantize_step 1 ;
137 vamp:default_value 0 ;
140 plugbase:aubionotes_param_peakpickthreshold a vamp:Parameter ;
141 vamp:identifier "peakpickthreshold" ;
142 dc:title "Peak Picker Threshold" ;
143 dc:description """Peak picking threshold, the higher the least detection""" ;
148 vamp:default_value 0.3 ;
151 plugbase:aubionotes_param_silencethreshold a vamp:Parameter ;
152 vamp:identifier "silencethreshold" ;
153 dc:title "Silence Threshold" ;
154 dc:description """Silence threshold, the higher the least detection""" ;
156 vamp:min_value -120 ;
159 vamp:default_value -70 ;
162 plugbase:aubionotes_param_minioi a vamp:QuantizedParameter ;
163 vamp:identifier "minioi" ;
164 dc:title "Minimum Inter-Onset Interval" ;
165 dc:description """Time interval below which two consecutive onsets should be merged""" ;
170 vamp:quantize_step 1 ;
171 vamp:default_value 4 ;
174 plugbase:aubionotes_output_notes a vamp:SparseOutput ;
175 vamp:identifier "notes" ;
177 dc:description """List of notes detected, with their frequency and velocity""" ;
178 vamp:fixed_bin_count "true" ;
181 vamp:bin_names ( "Frequency" "Velocity");
182 vamp:sample_type vamp:VariableSampleRate ;
183 # vamp:computes_event_type <Place event type URI here and uncomment> ;
184 # vamp:computes_feature <Place feature attribute URI here and uncomment> ;
185 # vamp:computes_signal_type <Place signal type URI here and uncomment> ;
187 plugbase:aubioonset a vamp:Plugin ;
188 dc:title "Aubio Onset Detector" ;
189 vamp:name "Aubio Onset Detector" ;
190 vamp:category "Time > Onsets" ;
191 dc:description """Estimate note onset times""" ;
193 dc:rights """GPL""" ;
194 # cc:license <Place plugin license URI here and uncomment> ;
195 vamp:identifier "aubioonset" ;
196 vamp:vamp_API_version vamp:api_version_2 ;
197 owl:versionInfo "2" ;
198 vamp:input_domain vamp:TimeDomain ;
200 vamp:parameter plugbase:aubioonset_param_onsettype ;
201 vamp:parameter plugbase:aubioonset_param_peakpickthreshold ;
202 vamp:parameter plugbase:aubioonset_param_silencethreshold ;
203 vamp:parameter plugbase:aubioonset_param_minioi ;
205 vamp:output plugbase:aubioonset_output_onsets ;
206 vamp:output plugbase:aubioonset_output_odf ;
207 vamp:output plugbase:aubioonset_output_todf ;
209 plugbase:aubioonset_param_onsettype a vamp:QuantizedParameter ;
210 vamp:identifier "onsettype" ;
211 dc:title "Onset Detection Function Type" ;
212 dc:description """Type of onset detection function to use""" ;
217 vamp:quantize_step 1 ;
218 vamp:default_value 3 ;
219 vamp:value_names ( "Energy Based" "Spectral Difference" "High-Frequency Content" "Complex Domain" "Phase Deviation" "Kullback-Liebler" "Modified Kullback-Liebler" "Spectral Flux");
221 plugbase:aubioonset_param_peakpickthreshold a vamp:Parameter ;
222 vamp:identifier "peakpickthreshold" ;
223 dc:title "Peak Picker Threshold" ;
224 dc:description """Threshold used for peak picking, the higher the more detections""" ;
229 vamp:default_value 0.3 ;
232 plugbase:aubioonset_param_silencethreshold a vamp:Parameter ;
233 vamp:identifier "silencethreshold" ;
234 dc:title "Silence Threshold" ;
235 dc:description """Silence threshold, the higher the least detection""" ;
237 vamp:min_value -120 ;
240 vamp:default_value -70 ;
243 plugbase:aubioonset_param_minioi a vamp:QuantizedParameter ;
244 vamp:identifier "minioi" ;
245 dc:title "Minimum Inter-Onset Interval" ;
246 dc:description """Time interval below which two consecutive onsets should be merged""" ;
251 vamp:quantize_step 1 ;
252 vamp:default_value 4 ;
255 plugbase:aubioonset_output_onsets a vamp:SparseOutput ;
256 vamp:identifier "onsets" ;
258 dc:description """List of times at which a note onset was detected""" ;
259 vamp:fixed_bin_count "true" ;
262 vamp:sample_type vamp:VariableSampleRate ;
263 # vamp:computes_event_type <Place event type URI here and uncomment> ;
264 # vamp:computes_feature <Place feature attribute URI here and uncomment> ;
265 # vamp:computes_signal_type <Place signal type URI here and uncomment> ;
267 plugbase:aubioonset_output_odf a vamp:DenseOutput ;
268 vamp:identifier "onsets" ;
270 dc:description """Output of the onset detection function""" ;
271 vamp:fixed_bin_count "true" ;
274 vamp:computes_signal_type af:Signal ;
276 plugbase:aubioonset_output_todf a vamp:DenseOutput ;
277 vamp:identifier "onsets" ;
279 dc:description """Output of the thresholded onset detection function""" ;
280 vamp:fixed_bin_count "true" ;
283 vamp:sample_type vamp:VariableSampleRate ;
285 plugbase:aubiopitch a vamp:Plugin ;
286 dc:title "Aubio Pitch Detector" ;
287 vamp:name "Aubio Pitch Detector" ;
288 vamp:category "Pitch" ;
289 dc:description """Track estimated note pitches""" ;
291 dc:rights """GPL""" ;
292 # cc:license <Place plugin license URI here and uncomment> ;
293 vamp:identifier "aubiopitch" ;
294 vamp:vamp_API_version vamp:api_version_2 ;
295 owl:versionInfo "3" ;
296 vamp:input_domain vamp:TimeDomain ;
298 vamp:parameter plugbase:aubiopitch_param_pitchtype ;
299 vamp:parameter plugbase:aubiopitch_param_minfreq ;
300 vamp:parameter plugbase:aubiopitch_param_maxfreq ;
301 vamp:parameter plugbase:aubiopitch_param_wraprange ;
302 vamp:parameter plugbase:aubiopitch_param_silencethreshold ;
304 vamp:output plugbase:aubiopitch_output_frequency ;
306 plugbase:aubiopitch_param_pitchtype a vamp:QuantizedParameter ;
307 vamp:identifier "pitchtype" ;
308 dc:title "Pitch Detection Function Type" ;
309 dc:description """Type of pitch detection function to use""" ;
314 vamp:quantize_step 1 ;
315 vamp:default_value 4 ;
316 vamp:value_names ( "YIN Frequency Estimator" "Spectral Comb" "Schmitt" "Fast Harmonic Comb" "YIN with FFT");
318 plugbase:aubiopitch_param_minfreq a vamp:Parameter ;
319 vamp:identifier "minfreq" ;
320 dc:title "Minimum Fundamental Frequency" ;
321 dc:description """Lowest frequency to look for""" ;
324 vamp:max_value 24000 ;
326 vamp:default_value 51.9131 ;
329 plugbase:aubiopitch_param_maxfreq a vamp:Parameter ;
330 vamp:identifier "maxfreq" ;
331 dc:title "Maximum Fundamental Frequency" ;
332 dc:description """Highest frequency to look for""" ;
335 vamp:max_value 24000 ;
337 vamp:default_value 1975.53 ;
340 plugbase:aubiopitch_param_wraprange a vamp:QuantizedParameter ;
341 vamp:identifier "wraprange" ;
342 dc:title "Fold Higher or Lower Frequencies into Range" ;
343 dc:description """Frequencies detected outside the range will be transposed to higher or lower octaves""" ;
348 vamp:quantize_step 1 ;
349 vamp:default_value 0 ;
352 plugbase:aubiopitch_param_silencethreshold a vamp:Parameter ;
353 vamp:identifier "silencethreshold" ;
354 dc:title "Silence Threshold" ;
355 dc:description """Silence threshold, the higher the least detection""" ;
357 vamp:min_value -120 ;
360 vamp:default_value -90 ;
363 plugbase:aubiopitch_output_frequency a vamp:SparseOutput ;
364 vamp:identifier "frequency" ;
365 dc:title "Fundamental Frequency" ;
366 dc:description """List of detected frequencies""" ;
367 vamp:fixed_bin_count "true" ;
370 vamp:sample_type vamp:VariableSampleRate ;
371 # vamp:computes_event_type <Place event type URI here and uncomment> ;
372 # vamp:computes_feature <Place feature attribute URI here and uncomment> ;
373 # vamp:computes_signal_type <Place signal type URI here and uncomment> ;
375 plugbase:aubiosilence a vamp:Plugin ;
376 dc:title "Aubio Silence Detector" ;
377 vamp:name "Aubio Silence Detector" ;
378 vamp:category "Low Level Features" ;
379 dc:description """Detect levels below a certain threshold""" ;
381 dc:rights """GPL""" ;
382 # cc:license <Place plugin license URI here and uncomment> ;
383 vamp:identifier "aubiosilence" ;
384 vamp:vamp_API_version vamp:api_version_2 ;
385 owl:versionInfo "4" ;
386 vamp:input_domain vamp:TimeDomain ;
388 vamp:parameter plugbase:aubiosilence_param_silencethreshold ;
390 vamp:output plugbase:aubiosilence_output_silent ;
391 vamp:output plugbase:aubiosilence_output_noisy ;
392 vamp:output plugbase:aubiosilence_output_silencelevel ;
394 plugbase:aubiosilence_param_silencethreshold a vamp:Parameter ;
395 vamp:identifier "silencethreshold" ;
396 dc:title "Silence Threshold" ;
398 vamp:min_value -120 ;
401 vamp:default_value -80 ;
404 plugbase:aubiosilence_output_silent a vamp:SparseOutput ;
405 vamp:identifier "silent" ;
406 dc:title "Silent Regions" ;
407 dc:description """Return an interval covering each silent region""" ;
408 vamp:fixed_bin_count "true" ;
411 vamp:sample_type vamp:VariableSampleRate ;
412 # vamp:computes_event_type <Place event type URI here and uncomment> ;
413 # vamp:computes_feature <Place feature attribute URI here and uncomment> ;
414 # vamp:computes_signal_type <Place signal type URI here and uncomment> ;
416 plugbase:aubiosilence_output_noisy a vamp:SparseOutput ;
417 vamp:identifier "noisy" ;
418 dc:title "Non-Silent Regions" ;
419 dc:description """Return an interval covering each non-silent region""" ;
420 vamp:fixed_bin_count "true" ;
423 vamp:sample_type vamp:VariableSampleRate ;
424 # vamp:computes_event_type <Place event type URI here and uncomment> ;
425 # vamp:computes_feature <Place feature attribute URI here and uncomment> ;
426 # vamp:computes_signal_type <Place signal type URI here and uncomment> ;
428 plugbase:aubiosilence_output_silencelevel a vamp:SparseOutput ;
429 vamp:identifier "silencelevel" ;
430 dc:title "Silence Test" ;
431 dc:description """Return a function that switches from 1 to 0 when silence falls, and back again when it ends""" ;
432 vamp:fixed_bin_count "true" ;
434 a vamp:QuantizedOutput ;
435 vamp:quantize_step 1 ;
436 a vamp:KnownExtentsOutput ;
440 vamp:sample_type vamp:VariableSampleRate ;
441 # vamp:computes_event_type <Place event type URI here and uncomment> ;
442 # vamp:computes_feature <Place feature attribute URI here and uncomment> ;
443 # vamp:computes_signal_type <Place signal type URI here and uncomment> ;
445 plugbase:aubiotempo a vamp:Plugin ;
446 dc:title "Aubio Beat Tracker" ;
447 vamp:name "Aubio Beat Tracker" ;
448 vamp:category "Time > Tempo" ;
449 dc:description """Estimate the musical tempo and track beat positions""" ;
451 dc:rights """GPL""" ;
452 # cc:license <Place plugin license URI here and uncomment> ;
453 vamp:identifier "aubiotempo" ;
454 vamp:vamp_API_version vamp:api_version_2 ;
455 owl:versionInfo "2" ;
456 vamp:input_domain vamp:TimeDomain ;
458 vamp:parameter plugbase:aubiotempo_param_onsettype ;
459 vamp:parameter plugbase:aubiotempo_param_peakpickthreshold ;
460 vamp:parameter plugbase:aubiotempo_param_silencethreshold ;
462 vamp:output plugbase:aubiotempo_output_beats ;
463 vamp:output plugbase:aubiotempo_output_tempo ;
465 plugbase:aubiotempo_param_onsettype a vamp:QuantizedParameter ;
466 vamp:identifier "onsettype" ;
467 dc:title "Onset Detection Function Type" ;
468 dc:description """Type of onset detection function to use""" ;
473 vamp:quantize_step 1 ;
474 vamp:default_value 3 ;
475 vamp:value_names ( "Energy Based" "Spectral Difference" "High-Frequency Content" "Complex Domain" "Phase Deviation" "Kullback-Liebler" "Modified Kullback-Liebler" "Spectral Flux");
477 plugbase:aubiotempo_param_peakpickthreshold a vamp:Parameter ;
478 vamp:identifier "peakpickthreshold" ;
479 dc:title "Peak Picker Threshold" ;
480 dc:description """Peak picking threshold, the higher the least detection""" ;
485 vamp:default_value 0.3 ;
488 plugbase:aubiotempo_param_silencethreshold a vamp:Parameter ;
489 vamp:identifier "silencethreshold" ;
490 dc:title "Silence Threshold" ;
491 dc:description "Silence threshold, the higher the least detection" ;
493 vamp:min_value -120 ;
496 vamp:default_value -70 ;
499 plugbase:aubiotempo_output_beats a vamp:SparseOutput ;
500 vamp:identifier "beats" ;
502 dc:description """List of times at which a beat was detected""" ;
503 vamp:fixed_bin_count "true" ;
506 vamp:sample_type vamp:VariableSampleRate ;
507 # vamp:computes_event_type <Place event type URI here and uncomment> ;
508 # vamp:computes_feature <Place feature attribute URI here and uncomment> ;
509 # vamp:computes_signal_type <Place signal type URI here and uncomment> ;
511 plugbase:aubiotempo_output_tempo a vamp:DenseOutput ;
512 vamp:identifier "tempo" ;
514 dc:description """Overall estimated tempo""" ;
515 vamp:fixed_bin_count "true" ;
518 # vamp:computes_event_type <Place event type URI here and uncomment> ;
519 # vamp:computes_feature <Place feature attribute URI here and uncomment>
520 # vamp:computes_signal_type <Place signal type URI here and uncomment> ;
522 plugbase:aubiomfcc a vamp:Plugin ;
523 dc:title "Aubio Mfcc Extractor" ;
524 vamp:name "Aubio Mfcc Extractor" ;
525 vamp:category "Low Level Features" ;
526 dc:description """Detect levels below a certain threshold""" ;
528 dc:rights """GPL""" ;
529 # cc:license <Place plugin license URI here and uncomment> ;
530 vamp:identifier "aubiomfcc" ;
531 vamp:vamp_API_version vamp:api_version_2 ;
532 owl:versionInfo "4" ;
533 vamp:input_domain vamp:TimeDomain ;
535 vamp:parameter plugbase:aubiomfcc_param_nfilters ;
536 vamp:parameter plugbase:aubiomfcc_param_ncoeffs ;
538 vamp:output plugbase:aubiomfcc_output_mfcc ;
540 plugbase:aubiomfcc_param_nfilters a vamp:Parameter ;
541 vamp:identifier "nfilters" ;
542 dc:title "Number of filters" ;
543 dc:description """Size of filterbank used to compute MFCCs (fixed to 40 for now)""" ;
548 vamp:default_value 40 ;
551 plugbase:aubiomfcc_param_ncoeffs a vamp:Parameter ;
552 vamp:identifier "ncoeffs" ;
553 dc:title "Number of coefficients" ;
554 dc:description """Number of output coefficients to compute""" ;
559 vamp:default_value 13 ;
562 plugbase:aubiomfcc_output_silencelevel a vamp:DenseOutput ;
563 vamp:identifier "mfcc" ;
564 dc:title "Mel-Frequency Cepstrum Coefficients" ;
565 dc:description """List of detected Mel-Frequency Cepstrum Coefficients""" ;
566 dc:description """""" ;
567 vamp:fixed_bin_count "true" ;
569 a vamp:QuantizedOutput ;
572 plugbase:aubiomelenergy a vamp:Plugin ;
573 dc:title "Aubio Mel-Frequency Bands Extractor" ;
574 vamp:name "Aubio Mel-Energy Bands Extractor" ;
575 vamp:category "Low Level Features" ;
576 dc:description """Compute energy in each 40 mel-frequency bands""" ;
578 dc:rights """GPL""" ;
579 # cc:license <Place plugin license URI here and uncomment> ;
580 vamp:identifier "aubiomelenergy" ;
581 vamp:vamp_API_version vamp:api_version_2 ;
582 owl:versionInfo "4" ;
583 vamp:input_domain vamp:TimeDomain ;
585 vamp:parameter plugbase:aubiomelenergy_param_nfilters ;
587 vamp:output plugbase:aubiomelenergy_output_melenergy ;
589 plugbase:aubiomelenergy_param_nfilters a vamp:Parameter ;
590 vamp:identifier "nfilters" ;
591 dc:title "Number of filters" ;
592 dc:description """Size of filterbank used to compute mel bands (fixed to 40 for now)""" ;
597 vamp:default_value 40 ;
600 plugbase:aubiomelenergy_output_melenergy a vamp:DenseOutput ;
601 vamp:identifier "melenergy" ;
602 dc:title "Mel-Frequency Cepstrum Coefficients" ;
603 dc:description """List of measured energy in each Mel-frequency bands""" ;
604 vamp:fixed_bin_count "true" ;
608 plugbase:aubiospecdesc a vamp:Plugin ;
609 dc:title "Aubio Spectral Descriptor" ;
610 vamp:name "Aubio Spectral Descriptor" ;
611 vamp:category "Low Level Features" ;
612 dc:description """Compute spectral description function""" ;
614 dc:rights """GPL""" ;
615 # cc:license <Place plugin license URI here and uncomment> ;
616 vamp:identifier "aubiospecdesc" ;
617 vamp:vamp_API_version vamp:api_version_2 ;
618 owl:versionInfo "4" ;
619 vamp:input_domain vamp:TimeDomain ;
621 vamp:parameter plugbase:aubiospecdesc_param_specdesctype ;
623 vamp:output plugbase:aubiospecdesc_output_descriptor ;
625 plugbase:aubioonset_param_specdesctype a vamp:QuantizedParameter ;
626 vamp:identifier "specdesctype" ;
627 dc:title "Spectral Description Function" ;
628 dc:description """Type of onset detection function to use""" ;
633 vamp:quantize_step 1 ;
634 vamp:default_value 3 ;
635 vamp:value_names ( "Spectral Flux" "Spectral Centroid" "Spectral Spread" "Spectral Skewness" "Spectral Kurtosis" "Spectral Slope" "Spectral Decrease" "Spectral Rolloff" );
637 plugbase:aubiospecdesc_output_descriptor a vamp:DenseOutput ;
638 vamp:identifier "specdesc" ;
639 dc:title "Spectral Descriptor Output" ;
640 dc:description """Values computed on consecutive spectral frames""" ;
641 vamp:fixed_bin_count "true" ;
644 vamp:computes_signal_type af:Signal ;