On Tue, 20.10.09 12:24, Alexey Fisher (bug-track at fisher-privat.net) wrote: > Hallo, > > i played a bit with pa and have question: > I know pa will resample stream if my src use 44100Hz and my sink need > 16000Hz, so it take some cpu (~10%) time. Why it take so mach CPU even > if src and sink are same? On play back with sink=src pa almost not use > cpu, why on record? No resampling should take place if source and stream sample rate match. Please provide the output of "pacmd ls" which could verify that this is the case. > And one more question: are there any way to have multiple default rates? > My sound card support 32000,44100,48000 ... and i think it's really sad > if pa resample 48000 down to 44100.. it's more about cpu, not quality. This doesn't fly, see my explanations here: https://tango.0pointer.de/pipermail/pulseaudio-discuss/2009-October/005194.html Lennart -- Lennart Poettering Red Hat, Inc. lennart [at] poettering [dot] net http://0pointer.net/lennart/ GnuPG 0x1A015CC4