MIDI problem

[andyr]

I'm using Logic Pro 7 with a Presonus Firebox interface, and every few minutes, my MIDI tracks stop playing, and a high-pitched noise happens. Audio tracks still play. I can mute every track, and even close the song, but the noise doesn't go away until I quit the program.

 

Sometimes i can work for an houror so before it happens, but lately it happens very frequently. Also, a new thing has begun happening - sometimes the MIDI tracks don't play at all, with no noise.

 

Any suggestions?

 

Thanks!

[David Nahmani]

When you say "MIDI Track".. do you mean audio instrument tracks, or tracks controlling external hardware MIDI instruments? It sounds like it could be a driver issue. I would try switching the driver to "built-in" in Audio > Audio Hardware and Drivers and see if the problem is still present?

[editbrain]

you haven't posted all the information needed, but it sounds like a midi loop.

you may need to evaluate the setup your using, or settings. we will know after you have answered Davids question.

 

if it is a midi loop you can send logic a midi panic by double clicking in the transport windows where it shows the midi notes you pressing. just double click between the two parameters. it will send a midi panic to logic, and quit the noise without you having to exit the application.

 

not at logic so i can't do a screenshot.

[djals]

Not sure if this is a standard key command but in BT's default key commands set you can send a panic message via the comically (and logically) assigned help key.

[editbrain]

that i don't know. never used or searched for it.

[andyr]

When you say "MIDI Track".. do you mean audio instrument tracks, or tracks controlling external hardware MIDI instruments? It sounds like it could be a driver issue. I would try switching the driver to "built-in" in Audio > Audio Hardware and Drivers and see if the problem is still present?

 

Here's what I did:

 

Played the song using the Firebox in and out, until I had the problem (about 10 minutes).

 

Played it over and over for about an hour with built-in audio selected in my Mac sound preferences. No problem.

 

Played it over and over for about an hour with built-in audio selected in audio hardware and drivers. No problem.

 

Lst night, I got some error messages I've never seen before - "error in sedelequete" (sp?) and "damaged song clearec.sevstart < mseq."

 

I don't remember having this problem in any other song, but then I don't have any other song with audio and MIDI tracks. The MIDI tracks were created by my friend in Cubase, I believe, and I brought them into Logic. I gather from the "damaged song" part of the first message that my song could be corrupt.

 

What do you think my next step should be?

[andyr]

When you say "MIDI Track".. do you mean audio instrument tracks, or tracks controlling external hardware MIDI instruments? It sounds like it could be a driver issue. I would try switching the driver to "built-in" in Audio > Audio Hardware and Drivers and see if the problem is still present?

 

Did I answer your question? The MIDI tracks are playing Quicktime synth sounds, not an external synth.

 

Thanks.