* Paul Davis <paul@xxxxxxxxxxxxxxxxxxxxx> [2021-04-18 03:43]: > On Sat, Apr 17, 2021 at 4:22 PM Peter P. <peterparker@xxxxxxxxxxxx> wrote: > > > * Peter P. <peterparker@xxxxxxxxxxxx> [2021-03-12 18:43]: > > > Hi list, > > > > > > can report that the Motu M64 Madi interface does work with a limited > > > channel count of 24 for input and another 24 for output (instead of 64 > > > each). So if you are coming across a venue or employer that already has > > > one, you are good to go. Sample rate needs to be set on the device > > > before starting jack. Of course, buying the card for oneself for so much > > > money getting only one third of the channels seems useless linux users > > > IMHO. > > > > I can add now that the card does not work reliably in class compliant > > mode with external sync clocks. It will randomly switch back and forth > > output channels in banks of eight, cause clicks and distortion and > > aliasing artifacts. > > > The bank switching is a known problem with other MOTU USB devices, and has > been "solved" by using specific firmware releases (e.g. for the MOTU > Ultralite AVB) which may not be available anymore or for your specific > device. Thanks Paul, that is good to know! Does anyone have more info on this back switching and associated firmware updates? > I do not believe that the aliasing is caused by bank switching, but by > (possibly) an ALSA driver bug. It generally goes away within a few minutes > or on device restart. But wouldn't that driver bug affect all class compliant interfaces then? cheers, P _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user
