digger vermont wrote: > http://www.alsa-project.org/alsa-doc/index.php3?vendor=vendor-Digigram#matrix > > I saw that, but it also says; > > NOTE: Just because an I/O is listed does NOT mean it is guaranteed to be > supported. Please check the mailing list archives before making purchase > decisions based on requirements for IEC-60958 or ADAT I/O. fair enough :) > Ahh, but it's not so simple. Jack has an alsa driver. My limited > understanding is that the frames/period must be a power of 2 of the > sample rate. The UA-20 is at 44100 which doesn't work. Are you really saying that 44.1 kHz doesn't work with ALSA and JACK? Isn't 16-bit 44.1 kHz the CD audio standard? I'm quite surprised (but not doubting you) if that's the real reason your UA-20 doesn't work. Cheers, Chris