feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change
on this file since c82a034 was
0b3c17b,
checked in by Paul Brossier <piem@piem.org>, 11 years ago
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python/demos/demo_a_weighting.py: add simple demo for a_weighting
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Property mode set to
100755
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File size:
758 bytes
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Rev | Line | |
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[0b3c17b] | 1 | #! /usr/bin/env python |
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| 2 | |
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| 3 | |
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| 4 | def apply_filter(path, params = {}): |
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| 5 | from aubio import source, sink, digital_filter |
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| 6 | from os.path import basename, splitex, splitextt |
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| 7 | s = source(path) |
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| 8 | f = digital_filter(7) |
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| 9 | f.set_a_weighting(s.samplerate) |
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| 10 | #f = digital_filter(3) |
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| 11 | #f.set_biquad(...) |
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| 12 | o = sink("filtered_" + splitext(basename(path))[0] + ".wav") |
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| 13 | # Total number of frames read |
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| 14 | total_frames = 0 |
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| 15 | |
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| 16 | while True: |
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| 17 | samples, read = s() |
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| 18 | filtered_samples = f(samples) |
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| 19 | o(samples, read) |
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| 20 | total_frames += read |
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| 21 | if read < s.hop_size: break |
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| 22 | print "filtered", s.uri, "to", o.uri, "using an A-weighting filter" |
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| 23 | |
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| 24 | if __name__ == '__main__': |
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| 25 | import sys |
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| 26 | for f in sys.argv[1:]: |
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| 27 | apply_filter(f) |
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