[Speex-dev] how does the VAD in speex work?

Ronny Steinbrenner ronny.steinbrenner at gmx.net
Tue Mar 23 03:26:44 PDT 2010



I'm using the Voice Activity Detection implemented in speex for an
application made for my bachelor thesis. I tried to figure out how the VAD
is working but I couldn't get it.

I would appreciate it if someone could give me a short explanation.

Is it based on energy and zero-crossing rate? 


Thanks a lot in advance!




Ronny Steinbrenner

Uni Augsburg

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