[Speex-dev] Problem related to Voice activity detection

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Mon Jan 7 12:33:59 PST 2008

Abdul Basit a écrit :
> hi guys,
>   i am trying to develop an application having a capability to detect voice activity in voice stream and then record only portion of this stream which contains the activity. i went through these steps.
>   1. Captured voice through Waveform Functions of Windows Multimedia API
>   2. Started Speex Preprocessing liberary
>   3. Turned on preprocessor by calling speex_preprocess_state_init and passing it 20 ms frame size and sampling rate
>   4. Set VAD on 
>   5. Copied byte data into  __int16 variables and  passed it to speex_preprocess_run function.
>   in return of these steps i got wrong date back to me. could you please send me the sample code or could you identify the problem?
>   i'll be thankful

...and what's the actual problem you're seeing?


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