Weird MIDI -latency issue

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Sahaquiel
Posts: 6
Joined: Wed Jul 12, 2006 4:33 pm

Weird MIDI -latency issue

Post by Sahaquiel » Wed Jul 12, 2006 4:45 pm

Ok, first of all hi to everyone. Before I explain the problem, I explain how and why I got to this situation. So, about a month ago I decided to give up on music, and put my gear for sale. However I did only get to selling my soundcard, leaving me with all my other stuff.

Ok, so yesterday I decided that it was not time to quit music, and rebuilt my setup, only with the exception that now I'm stuck with an integrated AC97 chip.

So to the problem then. I use an M-Audio Midisport 2x2 to transfer MIDI to and from my Novation Nova. The MIDI input to Live is done by a CME UF 5 keyboard. Sounds rosy, eh? yeah, so thought too.

Now when I play the Nova there's no noticeable latency whatsoever. But when I record notes, and start playing the clip back, it plays waaaaaay off sync. I have to use the track delays, and adjust the Novas MIDI track by -64ms.

Considering that when I play the Nova, it play with no latency, but when I play the clip back it gets f*cked up, I decided to ask here whether someone could help?

THX in advance

Peace out

-Sahaquiel

P.S Yes, I'm going to buy a new soundcard when I have the money :D

ewistrand
Posts: 1537
Joined: Sat Feb 23, 2002 5:33 am
Location: Eagan, Minnesota

Post by ewistrand » Wed Jul 12, 2006 6:16 pm

Any MIDI system will have SOME latency; yours seems high, though.
A couple things come to mind...

1) Are you exceeding the Nova's polyphony limits anywhere (long release times and the like)? MIDI timing will crap out when the polyphony's exceeded...

2) Avoid multitimbrality like the plague- same thing. Your timing WILL go down the tubes.

ew

Sahaquiel
Posts: 6
Joined: Wed Jul 12, 2006 4:33 pm

Post by Sahaquiel » Wed Jul 12, 2006 8:27 pm

No, a mono lead.

Even though it does it on any sound.

I mean I do consider that I know something about these thing but this really beats me. :D

And yeah, 64ms is _quite_ high

-Sahaquiel

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