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dcalacci/gist:39de37ed993f23c86b55

Created November 14, 2014 01:21
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resampling PCM audio
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gistfile1.txt
from scipy.signal import resample
def resample_pcm(samplerate, channels, resample_rate=RESAMPLE_RATE):
"""Resamples the given PCM stream to resample_rate.
"""
new_length = resample_rate * (len(channels) / samplerate)
# convert to int so we have more exact matches
return resample(channels, new_length).astype(int)
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