Hi, thanks for the quick help response. Comments in line below. Fons Adriaensen writes: > On Sat, Sep 27, 2014 at 11:46:15AM -0400, Janina Sajka wrote: > > > Trying to start jacd from the command line as root I fail for lack of an > > X-server. > > Unlikely, Jack doesn't need X. But you shouldn't run it as root. Glad to hear. I have no desire to run as root, just that some on line docs I found seemed to suggest running as root. > > > Starting as my ordinary user I get: > > What options do you use ? You'll need at least something like > > jackd -d alsa -d hw:NNNNNN > Tried several. Currently: jackd --sync -dalsa -dhw:8 hw:8 is definitely the Multiface. aplay -D plughw:8 plays there just fine. > where NNNNNN is the name of the soundcard to use. > > You can find out the name by running > > aplay -l > > (lower case L) The names you can use are those directly > following the card number, you should find your Multiface > in that list. > > You could also use > > jackd -d alsa -d hw:X,0 > > where X is the card number. > > Jack has many more options, use > > jackd --help > > to see them. > > > And, things just sit there seemingly forever. > > Which very probably means that all is OK. Remember that Jack is > a server. You keep it running and it will do its work. Switch to > another terminal for all other commands. > > IIRC you wanted to use mplayer. To make it use Jack, do > > mplayer -ao jack <filename> Strangely, this gives me: No such audio driver 'jack' Could not open/initialize audio device -> no sound. This is stock rpmfusion build of mplayer 1.1 for Fedora 20 (x86_64). I'm assuming they include jack support in their build? > > Audio output should appear at line outs 1 and 2. Yes, that's were aplay sends it. tia Janina > > Ciao, > > -- > FA > > A world of exhaustive, reliable metadata would be an utopia. > It's also a pipe-dream, founded on self-delusion, nerd hubris > and hysterically inflated market opportunities. (Cory Doctorow) > > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user@xxxxxxxxxxxxxxxxxxxx > http://lists.linuxaudio.org/listinfo/linux-audio-user -- Janina Sajka, Phone: +1.443.300.2200 sip:janina@xxxxxxxxxxxxxxxxxxxx Email: janina@xxxxxxxxxxx Linux Foundation Fellow Executive Chair, Accessibility Workgroup: http://a11y.org The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI) Chair, Protocols & Formats http://www.w3.org/wai/pf Indie UI http://www.w3.org/WAI/IndieUI/ _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user