[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


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