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Subject: Re: Ogg Vorbis

Re: Ogg Vorbis

From: Yusef Napora <>
Date: Mon, 29 Jul 2002 12:03:44 -0400

>Keep in mind that the MP3 decoder SW in the MAS runs from ROM and that the
>DSP has only enough RAM to hold all variables needed for MP3 decoding.
>Custom DSP SW will have to run from this RAM and would leave even less
>space for variables and data. So unless you want to implement something
>that is a lot less complex than an MP3 decoder you could do it...

How about reprogramming the recorder's dsp to record uncompressed audio?
I've heard some people mentioning this on the list before, and while I know
next to nothing about dsp programming, it seems like that might be possible.
  Is it? If so, it would be a really cool feature, and I know that I
personally would use the hell out of it, recording live concerts and band
practices, without any lossy compression applied.

Just a thought really, just so the rockboxers dont give up all hope of being
able to tinker with the dsp. Of course, we need to be able to write to the
disk first... :-) Btw, could someone (Linus?) give an estimate of how far
into the future mp3 recording is? The only thing keeping me from running
rockbox full-time is having to sacrifice the recording feature. Just

- Yusef Napora

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Received on 2002-07-29

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