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...to me as well, but I was just not sure (and still am) how to translate the Char* audio stream generated by WaveIn to a format that can be understood by Speex. Would using speex_decode_int and speex_encode_int instead of speex_decode and speex_encode be the answer? Thank you, Evgueni Tsygankov www.sqlanswers.com www.rusmex.com -----Original Message----- From: Jean-Marc Valin [mailto:jean-marc.valin@usherbrooke.ca] Sent: Sunday, November 04, 2007 9:33 PM To: Evgueni Tsygankov Cc: speex-dev@xiph.org Subject: Re: [Speex-dev] WaveIn/WaveOut and Speex I'm not sure what input/output format you're...

...i < frameSize; i++) { outBuffer[retValIndex] = output[i]; retValIndex++; } When I try to play outBuffer with waveOut, I can hear the voice "somewhere far", but there is a lot of distortion noise. Any help would be greatly appreciated!!! Thank you, Evgueni Tsygankov www.sqlanswers.com <http://www.sqlanswers.com/> -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/speex-dev/attachments/20071104/e0d5ff78/attachment.html

...If we deal with 16-bit samples, then two Chars would describe a sample, and so on. My question is on how to deal with Speex output -- if I get a float or a short from Speex' decode function, how does it map to audio samples described above? Thank you for your support, Evgueni Tsygankov www.sqlanswers.com www.rusmex.com -----Original Message----- From: Jean-Marc Valin [mailto:jean-marc.valin@usherbrooke.ca] Sent: Sunday, November 04, 2007 10:26 PM To: Evgueni Tsygankov Cc: speex-dev@xiph.org Subject: Re: [Speex-dev] WaveIn/WaveOut and Speex > When I was going from Char to float and back l...

...be to encode (either using the int or the float version) and do the conversion by hand using proper endianness. To do that, you need to actually figure out how Windows actually interprets its stream of bytes (can't help you on that). Jean-Marc > Thank you, > > Evgueni Tsygankov www.sqlanswers.com www.rusmex.com > > > -----Original Message----- From: Jean-Marc Valin > [mailto:jean-marc.valin@usherbrooke.ca] Sent: Sunday, November 04, > 2007 9:33 PM To: Evgueni Tsygankov Cc: speex-dev@xiph.org Subject: > Re: [Speex-dev] WaveIn/WaveOut and Speex > > I'm not s...

...the speech is detected. In the version of the software compiled against the Win32 version of Speex, speex_preprocess_run always returns 0. If I remove the IF statement, then I get voice transmission, so the mic is working. Is it something to do with VAD sensitivity? Thanks, Evgueni Tsygankov www.sqlanswers.com -----Original Message----- From: Jean-Marc Valin [mailto:jean-marc.valin@usherbrooke.ca] Sent: Friday, February 15, 2008 6:16 AM To: Evgueni Tsygankov Cc: speex-dev@xiph.org Subject: Re: [Speex-dev] Voice activity detection Just use the return value of speex_preprocess_run() Cheers, Jean...

...If we deal with 16-bit samples, then two Chars would describe a sample, and so on. My question is on how to deal with Speex output -- if I get a float or a short from Speex' decode function, how does it map to audio samples described above? Thank you for your support, Evgueni Tsygankov www.sqlanswers.com www.rusmex.com -----Original Message----- From: Jean-Marc Valin [mailto:jean-marc.valin@usherbrooke.ca] Sent: Sunday, November 04, 2007 10:26 PM To: Evgueni Tsygankov Cc: speex-dev@xiph.org Subject: Re: [Speex-dev] WaveIn/WaveOut and Speex > When I was going from Char to float and back l...

...gt; > } > > > > When I try to play outBuffer with waveOut, I can hear the voice > ?somewhere far?, but there is a lot of distortion noise. Any help would > be greatly appreciated!!! > > > > Thank you, > > > > Evgueni Tsygankov > > www.sqlanswers.com <http://www.sqlanswers.com/> > > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Speex-dev mailing list > Speex-dev@xiph.org > http://lists.xiph.org/mailman/listinfo/sp...

This must be a simple issue, but I cannot figure it out. I want to use VAD, but I don't know how to check if the actual frame has voice in it or not. So, in my code, I do: int tmp = 1; speex_preprocess_ctl(preprocess_state, SPEEX_PREPROCESS_SET_VAD, &tmp); speex_preprocess_ctl(preprocess_state, SPEEX_PREPROCESS_SET_DENOISE, &tmp); then later, for each frame