[linux-audio-user] high-quality resampling

Erik de Castro Lopo erikd-lad at mega-nerd.com
Thu Feb 19 02:09:25 EST 2004

On 18 Feb 2004 21:20:52 -0800
Florin Andrei <florin at andrei.myip.org> wrote:

> I'm searching for a way to resample audio while preserving the highest
> quality possible. One possible target would be the 96 --> 44.1
> conversion, for obvious reasons, but other ratios are not excluded.
> I'm speaking mostly from an "audiophile" perspective; raw numbers are
> good ("while using this tool, you preserve such-and-such signal to noise
> ratio and such-and-such bandwidth...") but i'd also like to hear about
> musical tests, if anyone performed anything like that.
> What would be the Linux tools that are supposed to provide the
> highest-quality resampling (according to the above definition of
> "quality")?
> libsamplerate?

There are two aspects to resampling:

   a) maximizing signal to noise
   b) maximizing passband width

If you can find anything that beats libsamplerate in both of these areas,
I want to know about it.

Erik (author of libsamplerate :-))
  Erik de Castro Lopo  nospam at mega-nerd.com (Yes it's valid)
Percussive Maintenance: The fine art of whacking the c**p out
of an electronic device to get it to work again.

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