[...] > > > > The problem here is that class compliant devices suffer bad timing > > > > because they use bulk transfers for MIDI data. The standard for > > > > MIDI over FireWire is much better. [...] > > > Is the timing really that bad? I don't even think a firewire 8x8 > > > rackmount MIDI interface exists, so my options are kinda limited. :/ > > > > Timing is especially bad when there is other data being transferred on > > "Especially bad" is still pretty vague. What might look bad on paper might be > acceptable in context...
It's not unusable, but IIRC it can get to several ms of jitter. > > the same USB bus, as is the case with combined audio/midi interfaces. > > Perhaps, but midi takes a lot less bandwidth than audio so how much worse > could it get? It sounds like it wouldn't be a problem if you were > overdubbing, but potentially in a live recording/performance if you are using > the audio ins for a vocal mic or whatnot. I'm by no means an expert on this, but I think MIDI taking less bandwidth than audio is not really relevant; it's audio data being isochronous and using a lot of bandwidth causing the MIDI timing to suffer. --ms
