ref: 229d0505f25181186db1431e072655e6cf1da2ab
dir: /python/demos/demo_onset.py/
#! /usr/bin/env python import sys from aubio import source, onset win_s = 512 # fft size hop_s = win_s / 2 # hop size if len(sys.argv) < 2: print "Usage: %s <filename> [samplerate]" % sys.argv[0] sys.exit(1) filename = sys.argv[1] samplerate = 0 if len( sys.argv ) > 2: samplerate = int(sys.argv[2]) s = source(filename, samplerate, hop_s) samplerate = s.samplerate o = onset("default", win_s, hop_s, samplerate) # list of onsets, in samples onsets = [] # total number of frames read total_frames = 0 while True: samples, read = s() if o(samples): print "%f" % o.get_last_onset_s() onsets.append(o.get_last_onset()) total_frames += read if read < hop_s: break #print len(onsets)