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VoIP: attempt at changing voipPower calc and using it for VAD.

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The Speex VAD sort of sucks, honestly, or I'm not using it right. Now
 trying this algorithm, after denoising:

    http://lists.xiph.org/pipermail/speex-dev/2006-March/004269.html

And I'll play around to find the threshold for considering a set of frames
 to be "voice" from there.

Also worth noting: we consider the power of the set of frames as a whole, so
 you need to sustain power for 0.25 seconds at a time, or it's not "voice."
This commit is contained in:
Ryan C. Gordon 2008-06-08 07:09:10 +00:00
parent fdfaff64f8
commit d4ee08b985
2 changed files with 12 additions and 22 deletions
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4
code/client/cl_cgame.c
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@ -937,10 +937,6 @@ void CL_FirstSnapshot( void ) {
speex_preprocess_ctl(clc.speexPreprocessor,
SPEEX_PREPROCESS_SET_DENOISE, &i);
i = (cl_voipUseVAD->integer != 0);
speex_preprocess_ctl(clc.speexPreprocessor,
SPEEX_PREPROCESS_SET_VAD, &i);
for (i = 0; i < MAX_CLIENTS; i++) {
speex_bits_init(&clc.speexDecoderBits[i]);
speex_bits_reset(&clc.speexDecoderBits[i]);