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Subject: Re: Back to wav
From: Björn Stenberg (bjorn_at_haxx.se)
Date: 2002-05-12


Matt.OReilly_at_wachovia.com wrote:

> Does anyone know if there is a *lossless* audio compression algorithm
> out there?

Yes, lots of them:

  http://www.firstpr.com.au/audiocomp/lossless/

> Why use 128 or 384kb/sec mp3 encoding/playback when we can have nearly
> a meg/sec?

Why use mp3 when there is wav, you mean? Well, most people like the 1:11
size factor of mp3 (128kbit).

> Does the mp3 codec cover anything like this?

No, mp3 is for lossy compression only.

> If so, the encoding chip itself might be able to handle it natively
> even...

It can, but only if we find a skilled DSP programmer with the right tools.
There is no way we can to real-time (de)compression in the CPU.

-- 
Björn



Page was last modified "Jan 10 2012" The Rockbox Crew
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