[Speex-dev] Stream Synchronization for Echo Cancellation
Jean-Marc Valin
jean-marc.valin at usherbrooke.ca
Thu Nov 2 04:45:59 PST 2006
> Interpolation? -> this seems very interesting. I have to take a closer
> look at it.
Well, at the moment, I'm simply pretending there was a packet lost, so
the PLC code generates a 20ms frame to fill the hole (i.e.
interpolation). There's a guy at my former lab who actually did a more
fancy processing and he was able to adjust to +-10% clock drift with
very little noticeable degradation. See
http://www.gel.usherbrooke.ca/gournay/documents/publications/ICASSP2006_Gournay.pdf
Jean-Marc
More information about the Speex-dev
mailing list