On Sat, May 21, 2011 at 8:11 PM, Ralf <ralf.mardorf at alice-dsl.net> wrote: > op-amps are ok, Envy24 cards cause issues, resp. PulseAudio does. Pulse's issues (as such) are with multichannel cards, not with Envy24 cards. It has the same issue with any "high" channel count device.