Echo cancelling with webrtcdsp
miguelwon at gmail.com
Fri Jun 5 00:15:07 UTC 2020
Sorry, only today I was able to return to this problem.
So, the thing is that the webrtcdsp must be placed in the initial pipeline
("pipe1") because it is the mic from the alsasrc that must "turned of",
i.e., the sound that it captures must be filtered out. These are the full
Remote audio input -> decodebin -> speakers -> mic (alsasrc) -> encode ->
remote audio output
with decodebin stop only established after the webrtc connection.
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