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On 28/08/03, Jon Noring wrote:

> Resampling (and pitch correction) can be done with effectively zero
> impact on the sound, *if* the tool is designed properly. That's what
> I showed using the Stanford article as a reference. Now, whether the
> resampling/pitch-correction tools commonly found in sound editing
> software (such as Sound Forge, CEP, etc.) are up to it, that certainly
> is debatable, and I'd like to know myself. The referenced Stanford
> paper actually gives a code to do the resampling, which I presume will
> be very good.

Try resampling up, then back down to the original rate. Subtract the
result from the original signal and see if you hear anything.


You can do the same with an image in Photoshop.

Regards
--
Don Cox
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