On Sun, 31 Mar 2019, Len Ovens wrote: I still have my old (Bebob-based) Focusrite Pro26I/O, which I haven't used at all for the past four years, and before that, I was running Jack with ffado backend on Ubuntustudio 12.04, I think. About a year ago, I found need to do some testing of an SPDIF device, so I pulled the old focusrite out and frustrated myself for a few days trying to get a driver stack, any driver stack, talking to it on Ubuntustudio 18.04. No joy. I should have sold it when I retired it, when there was still working drivers available... -- Rick Green We, the People of the United States of America, reject the U.S. Supreme Court's Citizens United ruling, and move to amend our Constitution to firmly establish that money is not speech, and that human beings, not corporations, are persons entitled to constitutional rights. http://www.MoveToAmend.org

On March 31, 2019 2:40:19 PM PDT, Len Ovens <len(a)ovenwerks.net> wrote: I'm using a RME Fireface 800, which works very reliable with libffado and JACK (e.g. down to 64 samples @48kHz). I only replaced (nearly all) capacitors quite recently (some on the outputs were fried due to connection to phantom powered ins I assume). In combination with an Expresscard for Firewire800, it's very useful as a mobile setup, too. I haven't tried, if there's ALSA support for that device (I doubt it). The hardware mixer and settings integration is quite good using ffado, but sadly there's no MIDI :-/ I guess upstream has some documentation on what's currently available in ALSA, but probably the most recent info can be retrieved from the (high traffic) alsa-devel mailing list. Best, David -- https://sleepmap.de