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| 1 | +#! /usr/bin/env python | |
| 2 | + | |
| 3 | +import sys | |
| 4 | +from aubio import source, notes | |
| 5 | + | |
| 6 | +if len(sys.argv) < 2: | |
| 7 | + print("Usage: %s <filename> [samplerate]" % sys.argv[0]) | |
| 8 | + sys.exit(1) | |
| 9 | + | |
| 10 | +filename = sys.argv[1] | |
| 11 | + | |
| 12 | +downsample = 1 | |
| 13 | +samplerate = 44100 // downsample | |
| 14 | +if len( sys.argv ) > 2: samplerate = int(sys.argv[2]) | |
| 15 | + | |
| 16 | +win_s = 512 // downsample # fft size | |
| 17 | +hop_s = 256 // downsample # hop size | |
| 18 | + | |
| 19 | +s = source(filename, samplerate, hop_s) | |
| 20 | +samplerate = s.samplerate | |
| 21 | + | |
| 22 | +tolerance = 0.8 | |
| 23 | + | |
| 24 | +notes_o = notes("default", win_s, hop_s, samplerate) | |
| 25 | + | |
| 26 | +print("%8s" % "time","[ start","vel","last ]") | |
| 27 | + | |
| 28 | +# total number of frames read | |
| 29 | +total_frames = 0 | |
| 30 | +while True: | |
| 31 | + samples, read = s() | |
| 32 | + new_note = notes_o(samples) | |
| 33 | + if (new_note[0] != 0): | |
| 34 | + note_str = ' '.join(["%.2f" % i for i in new_note]) | |
| 35 | + print("%.6f" % (total_frames/float(samplerate)), new_note) | |
| 36 | + total_frames += read | |
| 37 | + if read < hop_s: break | |