29 lines
781 B
Python
Executable File
29 lines
781 B
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import sys
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sys.path.insert(0, "../matrix_test/helper_modules")
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from filesystem import globDir
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from pudb import set_trace
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from pysndfile import sndio
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from signalops import gen_trigger
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import os
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import numpy as np
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def main():
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'''
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'''
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wavs = globDir("./stimulus", "*.wav")
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for wav in wavs:
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x, fs, enc, fmt = sndio.read(wav, return_format=True)
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y_r = np.insert(x, 0, np.zeros(fs))
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idx = np.arange(x.shape[0])
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y = np.vstack([x, x, np.zeros(x.shape[0])]).T
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trigger = gen_trigger(idx, 2., 0.01, fs)
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y[:, 2] = trigger
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wav_out = os.path.splitext(wav)[0] + "_trig.wav"
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sndio.write(wav_out, y, rate=fs, format=fmt, enc=enc)
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if __name__ == "__main__":
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main()
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