[speex-dev] Mixing audio

Jean-Marc Valin Jean-Marc.Valin at USherbrooke.ca
Wed Oct 29 17:03:36 PST 2003

> Is There any intension to deal with mixing two or more streams encoded
> with "speex".
> Most voice wise applications (such as conference) need this feature.

This is something that needs to be done on a per-application basis,
because there is no easy (or standard) way to do this. Some will prefer
sending multiple streams without re-encoding, while some might prefer
decoding, mixing and re-encoding at a (much) higher bit-rate. It all
depends on the quality and bit-rate you need.


Jean-Marc Valin, M.Sc.A., ing. jr.
LABORIUS (http://www.gel.usherb.ca/laborius)
Université de Sherbrooke, Québec, Canada

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