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> Logic Platinum Midi Communication, Random loss of MIDI I/O
smplfly
post Thu 26 Feb 2004, 19:58
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I run Logic Platinum in OS X on a G4 800. My MIDI I/O is a MOTU MicroExpress.

I start Logic and both of my MIDI inputs work fine (a keyboard and a drum trigger). MIDI data is recorded as usual. But I'll pause for a while to program a patch or read a manual, and the next time I hit record no MIDI data is recorded. The MIDI input monitor shows that nothing is going in, but the data already there still plays my synths.

If I quit and restart Logic, all works again.

Any help would be appreciated...

-Smplfly
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rickenbacker
post Fri 27 Feb 2004, 16:36
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I had this exact same problem earlier this week. My Midi I/O is an Emagic MT4. The Logic InfoWeb recommended trashing the Audio Midi Setup preferences (in Library/Preferences, called something like apple.audio.midi - check this before deleting!!) and logging out. Not that it made any difference. Quitting and restarting or occasionally restarting my entire Mac fixed it.

However, this is what Emagic support e-mailed me later:

I would like you to try using MIDI on a default logic song.

While in Logic hold down alt and at the same time go to your file menu and select new.

A default song should open.

Now play on you keyboard.

If you cannot see any Midi in on the transport bar you have a problem with preferences if you do have midi in you have a problem with one of yoyr existing songs.

BTW, all typos are theirs ;-)

As my set-up is working again without doing this, I haven't had to try it so I can't vouch for it either way.
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DrDan
post Tue 9 Mar 2004, 14:58
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I'm having the same problem..

Using logic audio 6 in osX.3 on an iMac G4, and reason 2.5, with a midiman keystation 49 and USB quattro device. The midi works on booting up either logic or reason, then the signal appears to be lost after 2-3 minutes. Logic then tells me the number of midi ins & outs has changed to 0 (3 on startup).

Reinstalled up-to-date drivers, everything... no good.

Had an idea... borrowed a friends cubase disks and installed - cubase runs fine, but midi disappears exactly as it had before in logic and reason.

Gotta be a panther/jaguar or midiman driver issue, surely??

Fix it someone!!! huh.gif
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kaboombahchuck
post Tue 9 Mar 2004, 15:28
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Got another one for yall... When your midi fails, try unplugging the USB cable, then plug it back in. This usually worked in the good ol days, when I was using M-Audio suff... now I've gone to Mark of the Unicorn Fastlane, and all is well in Panther. biggrin.gif


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kaboombahchuck
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