Am Montag, 29. Januar 2007 12:55 schrieb Jean-Marc Valin: > If that's what I think it is, it's not related to Speex, iLBC or any > other audio codec. It's actually ALSA that finds that your soundcard > cannot do 8/16 kHz, so it automatically does resampling (usually to 48 > kHz). The only problem is that ALSA uses LINEAR INTERPOLATION RESAMPLING > which is about the worst you can do. The only solutions are 1) to fix > ALSA 2) use PulseAudio 3) implement decent resampling code in Ekiga > (I've got an alpha resampler in Speex svn now). > > Jean-Marc
Alsa since version 1.0.11 supports libsamplerate for rate conversion. Just put 'defaults.pcm.rate_converter "samplerate"' into your .asoundrc or /etc/asound.conf BTW, if you are using dmix, your will always have to resample, as you have a fixed rate for mixing the streams. Hope this helps, Lurchi -- Stefan Brüns / Kastanienweg 6 - Zimmer 1206 / 52074 Aachen mailto:[EMAIL PROTECTED] http://www.kawo1.rwth-aachen.de/~lurchi/ phone: +49 241 169-4206 mobile: +49 160 3797725
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