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Very Strange ULN8 3D pitch issue [message #87769] Sun, 04 October 2020 20:03 Go to next message
Nado1969 is currently offline  Nado1969
Messages: 6
Registered: May 2020
Location: Sunbury, Australia
Junior Member
Hi All

I fired everything up the other day, went to continue work on a project in Logic, my guitar seemed flat to the session. So did my bass! I checked with my tuner, all in tune. My session was playing back audio (midi also) through the ULN8, no joke, at approximately half a semitone sharp! I thought there was something wrong with my ears, or I was going mad or something. Last nights session wasn't that loud!

SO, process of elimination. I reverted to an earlier session, restarted Logic, restarted the computer, checked sample rates, scoured Logic settings like a mad-man, same problem!! I wasn't even sure how to work my google search to describe the issue!

Next step...I tried an audio file outside of Logic, just in the Finder - same thing!! So...not Logic after all. Rebooted computer - same problem! Closed MIO Console and re-opened, even tried a different template. No change! I was beginning to consider the universe was rebelling against me by altering the laws of physics - like an end of the world scenario (nothing would surprise me at this super weird time in history!) - but maybe I've watched too many sci-fi movies.

Ok...turned off ULN8, tried with Core Audio through the TB Display speakers - WE HAVE A WIN - all good, no pitch shift!

Power cycled the ULN8 - problem solved! Back to concert pitch!

It's only done this once and hasn't done it since, but I must say it had me baffled for a while!!

Just thought I'd share that in case it happens to somebody else.



[Updated on: Sun, 04 October 2020 20:03]

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Re: Very Strange ULN8 3D pitch issue [message #88516 is a reply to message #87769] Fri, 21 April 2023 07:26 Go to previous message
Don Godwin is currently offline  Don Godwin
Messages: 1
Registered: April 2023
Junior Member
I'm seeing this now as well, unfortunately it's on recorded audio and I need to sync it to film... kind of at a loss, am going to contact tech support at MH for this one.
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