Hallo, Sebastian Gutsfeld hat gesagt: // Sebastian Gutsfeld wrote: > recently I bought a Terratec Aureon 5.1 USB for my Thinkpad R32 (has an > Intel 82801CA-ICH3 onboard). The Intel is card 0, the Terratec card 1. I > have no problems playing some MP3s with xmms or "alsaplayer -d hw:1 -d > 1024" (although I don't know why I have to use "-f 1024", I just played > with the parameters) over the Terratec. But whenever I play through jack > the sound begins to crackle, which is really annoying. > > And here is how qjackctl starts jackd: > > ,----[ .jackdrc ] > | /usr/bin/jackstart -R -dalsa -dhw:1 -r48000 -p256 -n2 -S > `---- Does the crackle go away with higher number of periods (-p512 or similar)? And did you try playing with -n3, too? > Kernel 2.4.25 with CAT_SETPCAP patch but no low latency patch. Not good. You really should consider to use the patch or a 2.6. kernel. Ciao -- Frank Barknecht _ ______footils.org__