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- %pylab
- import wave, struct
- maxshort=32767
- f0=44000 # sampling rate
- wsecs=2 # length of sample in seconds
- t=r_[0:wsecs:1/f0]
- y1=sin(t*2*pi*440) # define left waveform in the [-1;1] range
- y2=sin(t*2*pi*445) # define right waveform in the [-1;1] range
- wf=wave.open("d:/tmp/sine1.wav",mode="wb")
- wf.setframerate(f0)
- wf.setsampwidth(2)
- wf.setnchannels(2)
- wf.writeframes(struct.pack("<%sh" % (2*len(t)),*[short(round(maxshort*y)) for yp in zip(y1,y2) for y in yp]))
- wf.close()
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