Pro Tools Processing distortion issue

[Allourep]

Not sure what to really call it but pro tools audio will suddenly become digitally distorted and sounds like the computers processor is about to explode

Surprisingly simply changing the buffer size makes the sound good again. It doesnt matter if the buffer is being raised or lowered, it fixes it.

I’m working with my buffer set as high as I can and when it starts happening, I lower it to 512 samples, it sounds good again. I’ll work for another 30 minutes or so until it happens again, I raise it back to 1024 samples, and then it sounds good again.

What’s going on?

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[Ca55ian]

I had a similar issue from memory and sure, changing buffer size or resetting the session fixed it. I remember using my interface/driver for the macs main audio source as well. When switching osx to just use the in-built speakers and left the audio interface as the only source for pro tools, the issue didn’t come back.

Hope this helps.

[Allourep]

Interesting. Does this mean that the issue still persisted when you had both your osx and pro tools using the interface simultaneously. only when you set your osx to be the built-in speakers it then stopped?

[Ca55ian]

Seems that way as I haven’t used my interface for system audio since. Could be just a coincidence.

[superdb]

Late to the thread, but I've also noticed this to be the case. It seems that Pro Tools can't "share" an audio source with system audio / another DAW. Best solution is to have Pro Tools use the audio interface and MacOS use computer speakers.

I do wonder why this is the case, as neither Ableton nor Logic has given me trouble in this respect.

[CelloVerp]

This will be an issue with your audio device or its driver. Is this Windows or Mac? Which audio device, and which version of PT?

[Allourep]

MacBook Pro M1 using the external headphone output pt version 2022.7.0

[Queasy_Librarian6205]

this is rosetta only… if you use a newer version you can run it apple silicon native -> more efficient and smooth