[docs] audioop module documentation bug

Georg Brandl georg at python.org
Sun Oct 17 12:07:19 CEST 2010


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Am 21.06.2010 21:50, schrieb Kalle Karjalainen:
> Hello,
> 
> I found a bug in http://docs.python.org/library/audioop.html
> 
> In the example method, def mul_stereo(sample, width, lfactor, rfactor), the result of its first two lines:
> 
> lsample = audioop.tomono(sample, width, 1, 0)
> rsample = audioop.tomono(sample, width, 0, 1)
> 
> ... is discarded by the following two lines:
> 
> lsample = audioop.mul(sample, width, lfactor)
> rsample = audioop.mul(sample, width, rfactor)
> 
> ... resulting in a sample twice as long being returned as is intended, i.e. "slowing down” of the audio.
> 
> The fix for the third and fourth lines is:
> 
> lsample = audioop.mul(lsample, width, lfactor)
> rsample = audioop.mul(rsample, width, rfactor)

Hi Kalle,

thanks for the report, this is now fixed in the development docs.

regards,
Georg
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