Folderol wrote: > On Fri, 29 Jan 2010 09:39:51 -1000 > david <gnome@xxxxxxxxxxxxx> wrote: > >> Folderol wrote: >>> If they don't even appear in Rosegarden then I wonder if you've got >>> MIDI set up correctly. Is it a USB keyboard? I believe they are >>> inclined to have latency problems and you might just be overfilling the >>> 'pipe' :o >> It's a MIDI keyboard (Yamaha PSR225GM) without USB capability. The >> XMidiPort provides 2 standard MIDI cables at one end and a standard USB >> connector at the other. It is connected into a USB hub that has a number >> of other things connected to it (none in active use). > > Hmmm. I usually go through a 'real' MIDI port. My laptops don't have 'real' MIDI ports. One of the desktop machines does, courtesy of its Audiophile 2496, but I have no 'real' MIDI cables. > OK, just tried going via the MidiSport 2x2 playing two-handed arpeggios > as fast as I can, and recording in Rosegarden. The only missing notes > as far as I can tell are ones I didn't hit! > > I wonder if your hub is a proper 'high speed' one or just claims to be > USB2 compatible and down-converts to USB1. It's a proper high speed USB2 hub that claims to be compatible with USB1.1. I have a USB2 scanner hooked up through it, and when I scan high-res 24-bit color, it scans at USB2 speeds. Having accidentally used it ONCE on a different machine that had only USB 1.1 ports, I *know* the speed difference! ;-) > Have you tried it without the hub? Not yet. I plan to. -- David gnome@xxxxxxxxxxxxx authenticity, honesty, community _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
