[Speex-dev] Question regarding Speex

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Mon Sep 18 08:41:17 PDT 2006

neelufar . a écrit :
> Hi,
>     I have some questions regarding Speex. please reply as soon as
> possible.
> where are the two filter loops applied to the raw signal?

which filter loops?

> where is the residue (innovation) signal calculated?


> where is the innovation mapped on a codebook entry (key)?


> which bits of a transmitted frame are the two filters, which are codebook
> keys?


> Is the codebook from the beginning on static (so already known by sender
> and
> receiver) or transmitted somewhere at the beginning of a VOIP connection?

codebooks are static.

>> From where Can I get complete documentation on CELP?

Dunno. I'm not sure if one exists.


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