ref: bf34fbbc908e83d43a4ed9d1ef3d6bb7acaf3ba7
dir: /python/aubiopitch/
#!/usr/bin/python """ this file was written by Paul Brossier it is released under the GNU/GPL license. """ import sys from aubio.task import * usage = "usage: %s [options] -i soundfile" % sys.argv[0] def parse_args(): from optparse import OptionParser parser = OptionParser(usage=usage) parser.add_option("-i","--input", action="store", dest="filename", help="input sound file") parser.add_option("-m","--mode", action="store", dest="mode", default='yinfft', help="pitch detection mode [default=mcomb] \ mcomb|yin|fcomb|schmitt") parser.add_option("-u","--units", action="store", dest="omode", default="freq", help="output pitch in units [default=Hz] \ freq|midi|cent|bin") parser.add_option("-B","--bufsize", action="store", dest="bufsize", default=None, help="buffer size [default=2048]") parser.add_option("-H","--hopsize", action="store", dest="hopsize", default=None, help="overlap size [default=512]") parser.add_option("-t","--threshold", action="store", dest="threshold", default=0.1, help="pitch threshold (for yin) [default=0.1]") parser.add_option("-s","--silence", action="store", dest="silence", default=-70, help="silence threshold [default=-70]") parser.add_option("-D","--delay", action="store", dest="delay", help="number of seconds frames to take back [default=0]") parser.add_option("-S","--smoothing", action="store", dest="smoothing", default=False, help="use a median filter of N frames [default=0]") parser.add_option("-M","--maximum", action="store", dest="pitchmax", default=False, help="maximum pitch value to look for (Hz) [default=20000]") parser.add_option("-l","--minimum", action="store", dest="pitchmin", default=False, help="minimum pitch value to look for (Hz) [default=20]") # to be implemented parser.add_option("-n","--note", action="store_true", dest="note", default=False, help="NOT IMPLEMENTED output notes") # plotting functions parser.add_option("-T","--plottruth", action="store_true", dest="plottruth", default=False, help="draw plot of the ground truth pitch track") parser.add_option("-p","--plot", action="store_true", dest="plot", default=False, help="draw plot of the pitch track") parser.add_option("-x","--xsize", action="store", dest="xsize", default=1., type='float', help="define xsize for plot") parser.add_option("-y","--ysize", action="store", dest="ysize", default=1., type='float', help="define ysize for plot") parser.add_option("-O","--outplot", action="store", dest="outplot", default=None, help="save the plot to output.{ps,png,svg} instead of displaying it") parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=True, help="make lots of noise") parser.add_option("-q","--quiet", action="store_false", dest="verbose", default=True, help="be quiet") (options, args) = parser.parse_args() if not options.bufsize: if options.mode == "yin": options.bufsize = 1024 if options.mode == "schmitt": options.bufsize = 2048 if options.mode == "mcomb": options.bufsize = 4096 if options.mode == "fcomb": options.bufsize = 4096 else: options.bufsize = 2048 if not options.hopsize: options.hopsize = float(options.bufsize) / 2 if not options.filename: print "no file name given\n", usage sys.exit(1) return options, args options, args = parse_args() #print options.bufsize, options.hopsize filename = options.filename params = taskparams() params.samplerate = float(sndfile(filename).samplerate()) params.hopsize = int(options.hopsize) params.bufsize = int(options.bufsize) params.step = params.samplerate/float(params.hopsize) params.yinthresh = float(options.threshold) params.silence = float(options.silence) params.verbose = options.verbose if options.smoothing: params.pitchsmooth = int(options.smoothing) if options.pitchmax: params.pitchmax = int(options.pitchmax) if options.pitchmin: params.pitchmin = int(options.pitchmin) #mintol = float(options.mintol)*step # default take back system delay if options.delay: params.pitchdelay = float(options.delay) if options.note: exit("not implemented yet") wplot,oplots,titles = [],[],[] modes = options.mode.split(',') for i in range(len(modes)): pitch = [] params.pitchmode = modes[i] filetask = taskpitch(filename,params=params) pitch = filetask.compute_all() #print filetask.eval(pitch[i]) if options.plot: filetask.plot(pitch,wplot,oplots,titles) if options.outplot: extension = options.outplot.split('.')[-1] outplot = '.'.join(options.outplot.split('.')[:-1]) else: extension,outplot = None,None if options.plot: filetask.plotplot(wplot,oplots,titles,outplot=outplot,extension=extension, xsize=options.xsize,ysize=options.ysize,truth=options.plottruth)