P6 audio cutting out - MIDI-related?

P6 audio cutting out - MIDI-related?
« on: August 26, 2024, 01:14:00 PM »
I think this is likely a garden-variety MIDI issue, so I'm not yet sending this to Support, but... in recent days my Prophet 6 has been losing audio. Meaning, after a while working fine, the audio goes silent. Just now, after I powered the synth back on, I I had around 10 minutes before the synth went silent.

I use my P6 as master controller and did rejig things a few days ago. I'd been having problems with MIDI routing, but it turned out only to be a defective MIDI cable. Still, all my blind rewiring (MIDI is a mystery to me, still...) seemed to have knocked a few other things out of whack - my Trigon went wobbly and out of tune, requiring a pitch/mod wheel calibration.

I don't know if this is also to do with Logic, or what.

Is there at least a recommended clean start approach to trouble-shooting all this?

(For what it's worth, the P6 is still outputting MIDI notes - I can see the notes listed in Logic as I hit the keys on the synth...)

Re: P6 audio cutting out - MIDI-related?
« Reply #1 on: August 26, 2024, 03:43:05 PM »
Maybe I've resolved the issue... I reset MIDI drivers in Logic and haven't been having the audio cut out.

Again, MIDI is a mystery to me, so if anyone can speculate on why the synth was dropping audio, and after a bit of time, I'd be curious to hear your ideas...

LPF83

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Re: P6 audio cutting out - MIDI-related?
« Reply #2 on: August 26, 2024, 04:50:05 PM »
This kind of thing can be fiddly to troubleshoot in person, and even harder guessing remotely, but I will say that usually at least on my Sequential/Oberheim gear, if the synth goes silent due to something MIDI related it's because something is sending a 0 or low value to MIDI CC #7 (master volume).  This has happened to me in various scenarios, some controllers map this to a touch control that gets inevitably touched accidentally.. or sometimes I have some MIDI routing confusion in the DAW, and the knob movement or automation of one synth inadvertently affects another.  But in my case at least that seems to be the most common culprit.
Prophet 10, OB-X8m, Prophet 6, OB-6, 3rd Wave, Prophet 12m, Prophet Rev2-16, Toraiz AS-1, Pro 2, Korg Polysix, Roland JP-8080, Roland System-8, Virus TI2, Moog SlimPhatty, Hydrasynth desktop, Roland SPD-SX SE / Octapad, Maschine, Cubase/Ableton/Akai MPC

Re: P6 audio cutting out - MIDI-related?
« Reply #3 on: September 06, 2024, 10:37:34 PM »
I think this is likely a garden-variety MIDI issue, so I'm not yet sending this to Support, but... in recent days my Prophet 6 has been losing audio. Meaning, after a while working fine, the audio goes silent. Just now, after I powered the synth back on, I I had around 10 minutes before the synth went silent.

I use my P6 as master controller and did rejig things a few days ago. I'd been having problems with MIDI routing, but it turned out only to be a defective MIDI cable. Still, all my blind rewiring (MIDI is a mystery to me, still...) seemed to have knocked a few other things out of whack - my Trigon went wobbly and out of tune, requiring a pitch/mod wheel calibration.

I don't know if this is also to do with Logic, or what.

Is there at least a recommended clean start approach to trouble-shooting all this?

(For what it's worth, the P6 is still outputting MIDI notes - I can see the notes listed in Logic as I hit the keys on the synth...)
Check MIDI routing, simplify the setup—connect the Prophet-6 directly to your interface without any extra MIDI devices. Test if the issue persists. Or possibly since you had a defective MIDI cable, try different cables for both MIDI and audio to rule out hardware issues.