[Speex-dev] Packet loss concealment ??

Jean-Marc Valin Jean-Marc.Valin
Mon Jun 14 10:01:49 PDT 2004


Hi,

Look at the nb_decode_lost function in nb_celp.c. The main idea for
packet loss concealment in Speex is to repeat the excitation and pitch
of the previous frame (roughly) using more "conservative" LSPs and a
pitch gain < 1.

Jean-Marc

Le lun 14/06/2004 ? 07:53, Iago Soto a ?crit :
> Hi,
>
> I would like to know which method uses Speex to conceal the loss of
> packets. I've reviewed the code and haven't found anything.
>
> Thanks in advance.
>
> Iago Soto.
>
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--
Jean-Marc Valin
http://www.xiph.org/~jm/
LABORIUS
Universit? de Sherbrooke, Qu?bec, Canada



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