[Ffmpeg-cvslog] r5941 - trunk/doc/soc.txt

Robert Swain robert.swain
Mon Aug 7 23:21:48 CEST 2006


Hello,

Michael Niedermayer wrote:
> On Mon, Aug 07, 2006 at 10:06:00PM +0200, Benjamin Larsson wrote:
>> Robert Swain wrote:
>>> Michael Niedermayer wrote:
>>>> about amr, well dunno my amr knowledge is loosy ...  but beating the
>>>> reference software should be easy
>>>
>>> The reference source is very bad and I'm trying to make it better in
>>> whatever way I can. Starting from scratch there's no way I can see to
>>> be able to write the codec from the specification, at least not for
>>> me. Its documentation of the decoder is very sparse. Maybe someone who
>>> had already written all the LPC stuff before would have been able to
>>> do it.
 >>
>> No they wouldn't, the reference pdf isn't enough.
> 
> btw, is the pdf publically available somewhere?

You have to register to get it but it's available from ETSI. I seem to find the 
documents easier through the 3GPP site but they're all hosted on ETSI.

http://www.3gpp.org/ftp/Specs/html-info/26-series.htm

Specifically I've mainly been looking at the transcoding functions document.
http://www.3gpp.org/ftp/Specs/html-info/26090.htm

Rob




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