On Fri, Sep 16, 2011 at 02:11:35PM -0400, Paul Davis wrote: > On Fri, Sep 16, 2011 at 2:02 PM, S. Massy <lists@xxxxxxxxxxxx> wrote: > > On Fri, Sep 16, 2011 at 01:33:42PM -0400, Paul Davis wrote: > >> if you can run a USB 1 class compliant audio device on your linux > >> system with lower latency than the current minimum so far posted to > >> this thread, please post with the settings you use and the type of > >> device. if your best performance has already been posted, no need to > >> repeat it. > >> > >> i'll get the ball rolling with 2048 frames. note that we are assuming > >> 2 channels only, but duplex mode (simultaneous capture+playback). > > Pardon my obtuseness, but... Well, are we talking frames per period, as > > in the -p option in jack's audio driver? > > in JACK terms, the combination of: > > * sample rate > * period size (frames per period) > * number of periods (periods per buffer) With my Roland UA25EX I can run JACK with -r48000 -p64 -n3 without any xruns or stability issue. Anything lower gets dicey. Cheers, S.M. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
