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| @@ -223,3 +223,75 @@ def plot_onsets(filename, onsets, ofunc, samplerate=44100., hopsize=512, outplot · 222 unmodified lines | |||
| 223 | g.plot(d,e2) | 223 | g.plot(d,e2) |
| 224 | 224 | ||
| 225 | g('unset multiplot') | 225 | g('unset multiplot') |
| 226 | |||
| 227 | |||
| 228 | def plot_pitch(filename, pitch, samplerate=44100., hopsize=512, outplot=None): | ||
| 229 | import aubio.txtfile | ||
| 230 | import os.path | ||
| 231 | import numarray | ||
| 232 | |||
| 233 | # onset detection function | ||
| 234 | downtime = (hopsize/samplerate)*numarray.arange(len(pitch)) | ||
| 235 | d = Gnuplot.Data(downtime,pitch,with='lines') | ||
| 236 | |||
| 237 | # check if datafile exists truth | ||
| 238 | datafile = filename.replace('.wav','.txt') | ||
| 239 | if not os.path.isfile(datafile): | ||
| 240 | title = "truth file not found" | ||
| 241 | t = Gnuplot.Data(0,0,with='impulses') | ||
| 242 | else: | ||
| 243 | title = "truth file plotting not implemented yet" | ||
| 244 | t = Gnuplot.Data(0,0,with='impulses') | ||
| 245 | #times,pitch = aubio.txtfile.read_datafile(datafile) | ||
| 246 | #t = Gnuplot.Data(times,pitch,with='lines') | ||
| 247 | |||
| 248 | #orig, missed, merged, expc, bad, doubled = \ | ||
| 249 | # onset_roc(x2,x1,tol) | ||
| 250 | #title = "GD %2.3f%% FP %2.3f%%" % \ | ||
| 251 | # ((100*float(orig-missed-merged)/(orig)), | ||
| 252 | # (100*float(bad+doubled)/(orig))) | ||
| 253 | #print orig, missed, merged, expc, bad, doubled | ||
| 254 | #print "GD %2.8f\t" % (100*float(orig-missed-merged)/(orig)), | ||
| 255 | #print "FP %2.8f\t" % (100*float(bad+doubled)/(orig)) , | ||
| 256 | #print "GD-merged %2.8f\t" % (100*float(orig-missed)/(orig)) , | ||
| 257 | #print "FP-pruned %2.8f\t" % (100*float(bad)/(orig)) | ||
| 258 | |||
| 259 | # audio data | ||
| 260 | time,data = audio_to_array(filename) | ||
| 261 | f = make_audio_plot(time,data) | ||
| 262 | |||
| 263 | # prepare the plot | ||
| 264 | g = Gnuplot.Gnuplot(debug=1, persist=1) | ||
| 265 | if outplot: | ||
| 266 | extension = outplot.split('.')[-1] | ||
| 267 | if extension == 'ps': extension = 'postscript' | ||
| 268 | g('set terminal %s' % extension) | ||
| 269 | g('set output \'%s\'' % outplot) | ||
| 270 | |||
| 271 | g('set title \'%s %s\'' % (filename,title)) | ||
| 272 | |||
| 273 | g('set multiplot') | ||
| 274 | |||
| 275 | # hack to align left axis | ||
| 276 | g('set lmargin 15') | ||
| 277 | |||
| 278 | # plot waveform and onsets | ||
| 279 | g('set size 1,0.3') | ||
| 280 | g('set origin 0,0.7') | ||
| 281 | g('set xrange [0:%f]' % max(time)) | ||
| 282 | g('set yrange [-1:1]') | ||
| 283 | g.ylabel('amplitude') | ||
| 284 | g.plot(f) | ||
| 285 | |||
| 286 | g('unset title') | ||
| 287 | |||
| 288 | # plot onset detection function | ||
| 289 | g('set size 1,0.7') | ||
| 290 | g('set origin 0,0') | ||
| 291 | g('set xrange [0:%f]' % (hopsize/samplerate*len(pitch))) | ||
| 292 | g('set yrange [0:%f]' % (max(pitch)*1.01)) | ||
| 293 | g.xlabel('time') | ||
| 294 | g.ylabel('frequency (Hz)') | ||
| 295 | g.plot(d,t) | ||
| 296 | |||
| 297 | g('unset multiplot') | ||
| @@ -1,24 +1,127 @@ | |||
| 1 | #!/usr/bin/python | 1 | #!/usr/bin/python |
| 2 | 2 | ||
| 3 | def do(filein): | 3 | """ this file was written by Paul Brossier |
| 4 | from aubio import aubioclass | 4 | it is released under the GNU/GPL license. |
| 5 | hopsize = 512 | 5 | """ |
| 6 | bufsize = 4096 | 6 | |
| 7 | frameread = 0 | 7 | |
| 8 | filei = aubioclass.sndfile(filein) | 8 | import sys |
| 9 | srate = filei.samplerate() | 9 | import numarray |
| 10 | channels = filei.channels() | 10 | from aubio.aubioclass import * |
| 11 | myvec = aubioclass.fvec(hopsize,channels) | 11 | |
| 12 | readsize = filei.read(hopsize,myvec) | 12 | usage = "usage: %s [options] -i soundfile" % sys.argv[0] |
| 13 | ppick = aubioclass.pitchpick(bufsize,hopsize,channels,myvec,srate) | 13 | |
| 14 | while(readsize==hopsize): | 14 | def check_mode(option, opt, value, parser): |
| 15 | readsize = filei.read(hopsize,myvec) | 15 | nvalue = parser.rargs[0] |
| 16 | val = ppick.do(myvec) | 16 | if nvalue == 'mcomb' : |
| 17 | freq = aubioclass.bintofreq(val,srate,bufsize) | 17 | setattr(parser.values, option.dest, aubio_mcomb) |
| 18 | now = (frameread)*hopsize/(srate+0.) | 18 | elif nvalue == 'yin' : |
| 19 | print "%.3f %.2f" % (now,freq) | 19 | setattr(parser.values, option.dest, aubio_yin) |
| 20 | frameread += 1 | 20 | elif nvalue == 'fcomb' : |
| 21 | 21 | setattr(parser.values, option.dest, aubio_fcomb) | |
| 22 | if __name__ == "__main__": | 22 | elif nvalue == 'schmitt' : |
| 23 | import sys | 23 | setattr(parser.values, option.dest, aubio_schmitt) |
| 24 | do(sys.argv[1]) | 24 | |
| 25 | |||
| 26 | def parse_args(): | ||
| 27 | from optparse import OptionParser | ||
| 28 | parser = OptionParser(usage=usage) | ||
| 29 | parser.add_option("-i","--input", | ||
| 30 | action="store", dest="filename", | ||
| 31 | help="input sound file") | ||
| 32 | parser.add_option("-m","--mode", action="callback", | ||
| 33 | callback=check_mode, dest="mode", default=aubio_schmitt, | ||
| 34 | help="pitch detection mode [default=dual] \ | ||
| 35 | mcomb|yin|fcomb|schmitt") | ||
| 36 | parser.add_option("-B","--bufsize", | ||
| 37 | action="store", dest="bufsize", default=1024, | ||
| 38 | help="buffer size [default=1024]") | ||
| 39 | parser.add_option("-H","--hopsize", | ||
| 40 | action="store", dest="hopsize", default=512, | ||
| 41 | help="overlap size [default=512]") | ||
| 42 | parser.add_option("-t","--threshold", | ||
| 43 | action="store", dest="threshold", default=0.1, | ||
| 44 | help="pitch threshold (for yin) [default=0.1]") | ||
| 45 | parser.add_option("-s","--silence", | ||
| 46 | action="store", dest="silence", default=-70, | ||
| 47 | help="silence threshold [default=-70]") | ||
| 48 | parser.add_option("-D","--delay", | ||
| 49 | action="store", dest="delay", | ||
| 50 | help="number of seconds to take back [default=system]\ | ||
| 51 | default system delay is 2*hopsize/samplerate") | ||
| 52 | parser.add_option("-L","--localmin", | ||
| 53 | action="store_true", dest="localmin", default=False, | ||
| 54 | help="use local minima after peak detection") | ||
| 55 | parser.add_option("-c","--cut", | ||
| 56 | action="store_true", dest="cut", default=False, | ||
| 57 | help="cut input sound file at detected labels \ | ||
| 58 | best used with option -L") | ||
| 59 | # to be implemented | ||
| 60 | parser.add_option("-n","--note", | ||
| 61 | action="store_true", dest="note", default=False, | ||
| 62 | help="NOT IMPLEMENTED output notes") | ||
| 63 | # plotting functions | ||
| 64 | parser.add_option("-p","--plot", | ||
| 65 | action="store_true", dest="plot", default=False, | ||
| 66 | help="NOT IMPLEMENTED draw plot") | ||
| 67 | parser.add_option("-O","--outplot", | ||
| 68 | action="store", dest="outplot", default=None, | ||
| 69 | help="NOT IMPLEMENTED save plot to output.{ps,png}") | ||
| 70 | parser.add_option("-v","--verbose", | ||
| 71 | action="store_true", dest="verbose", default=False, | ||
| 72 | help="make lots of noise [default]") | ||
| 73 | parser.add_option("-q","--quiet", | ||
| 74 | action="store_false", dest="verbose", default=False, | ||
| 75 | help="be quiet") | ||
| 76 | (options, args) = parser.parse_args() | ||
| 77 | if not options.filename: | ||
| 78 | print "no file name given\n", usage | ||
| 79 | sys.exit(1) | ||
| 80 | return options, args | ||
| 81 | |||
| 82 | options, args = parse_args() | ||
| 83 | |||
| 84 | filename = options.filename | ||
| 85 | samplerate = float(sndfile(filename).samplerate()) | ||
| 86 | hopsize = int(options.hopsize) | ||
| 87 | bufsize = int(options.bufsize) | ||
| 88 | step = float(samplerate)/float(hopsize) | ||
| 89 | threshold = float(options.threshold) | ||
| 90 | silence = float(options.silence) | ||
| 91 | #mintol = float(options.mintol)*step | ||
| 92 | # default take back system delay | ||
| 93 | if options.delay: delay = float(options.delay) | ||
| 94 | else: delay = 2./step | ||
| 95 | |||
| 96 | if options.note: | ||
| 97 | exit("not implemented yet") | ||
| 98 | else: | ||
| 99 | pitch = getpitch(filename, #threshold,silence, | ||
| 100 | mode=options.mode, | ||
| 101 | bufsize=bufsize,hopsize=hopsize) | ||
| 102 | |||
| 103 | ## take back system delay | ||
| 104 | #if delay != 0: | ||
| 105 | # for i in range(len(onsets)): | ||
| 106 | # onsets[i] -= delay*step | ||
| 107 | # | ||
| 108 | ## prune doubled | ||
| 109 | #if mintol > 0: | ||
| 110 | # last = -2*mintol | ||
| 111 | # newonsets = [] | ||
| 112 | # for new in onsets: | ||
| 113 | # if (new - last > mintol): | ||
| 114 | # newonsets.append(new) | ||
| 115 | # last = new | ||
| 116 | # onsets = newonsets | ||
| 117 | |||
| 118 | # print times in second | ||
| 119 | if options.verbose: | ||
| 120 | for i in range(len(pitch)): | ||
| 121 | print "%f\t%f" % (i/step,pitch[i]) | ||
| 122 | |||
| 123 | if options.plot: | ||
| 124 | from aubio.gnuplot import plot_pitch | ||
| 125 | plot_pitch(filename, pitch, | ||
| 126 | samplerate=samplerate, hopsize=hopsize, outplot=options.outplot) | ||
| 127 | |||