> > the MIDI interface to external equipment at the moment is a no-name USB > device, the no-name brand is called "swissonic", it's from Thomann, the > biggest audio equipment dealer in Germany, but the jitter I reported was > only tested with internal, virtual instruments. Rosegarden MIDI out by > QJackCtl's ALSA tab (latest informations are, that this is only ALSA and > not Jack) connected to Hydrogen, resp. QSynth to avoid any human touch > function that comes with Hydrogen. The interface in this case is only > the software interface, an ALSA output client connected to an ALSA input > client. >
As far as I know, Swissonic makes high end pro audio gear and is not no-name. :) It might seem no-name to you, being in Europe. But here in the States, Swissonic is almost considered boutique, at least the ADDA converters. Your comments make me want to test things more rigorously. I've had great success with timing using Rosegarden's MIDI sequencer and routing all audio via JACK, but had timing problems using any of the virtual instruments internally in Rosegarden. Running ghostess for any plugins improved all of my timing issues significantly. http://www.smbolton.com/linux.html << link to ghostess Don't know what 'only ALSA' means or 'ALSA tab'. I'm letting JACK take care of everything and the timing and even audio latency is flawless on my RME 96/52. Are you not letting JACK handle all of your routing for a reason? Sorry if I don't understand what you are up to. :) Peace, mb
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