feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5sampler
Last change
on this file since b762f8d was
4120fbc,
checked in by Paul Brossier <piem@piem.org>, 9 years ago
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python/demos: python3 and double precision compatibility
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Property mode set to
100755
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File size:
840 bytes
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1 | #! /usr/bin/env python |
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2 | |
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3 | def record_sink(sink_path): |
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4 | """Record an audio file using pysoundcard.""" |
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5 | |
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6 | from aubio import sink |
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7 | from pysoundcard import Stream |
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8 | |
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9 | hop_size = 256 |
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10 | duration = 5 # in seconds |
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11 | s = Stream(blocksize = hop_size, channels = 1) |
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12 | g = sink(sink_path, samplerate = int(s.samplerate)) |
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13 | |
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14 | s.start() |
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15 | total_frames = 0 |
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16 | try: |
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17 | while total_frames < duration * s.samplerate: |
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18 | vec = s.read(hop_size) |
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19 | # mix down to mono |
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20 | mono_vec = vec.sum(-1) / float(s.channels[0]) |
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21 | g(mono_vec, hop_size) |
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22 | total_frames += hop_size |
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23 | except KeyboardInterrupt: |
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24 | duration = total_frames / float(s.samplerate) |
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25 | print("stopped after %.2f seconds" % duration) |
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26 | s.stop() |
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27 | |
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28 | if __name__ == '__main__': |
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29 | import sys |
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30 | record_sink(sys.argv[1]) |
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