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Old 10-13-2015, 12:27 PM
mr xy mr xy is offline
Join Date: Oct 2009
Posts: 161
Default Noise Blasts up through PT 12.4 [FIXED IN 12.5]


Who else is getting blasts of very loud noise in PT 12? I am and it's freaking terrible!

I think everyone can agree this is the worst possible kind of bug, one that could result in severe hearing damage.

Please if you've encountered this bug, document your experience in this thread.

I frequently get blasts of very loud signal, occurring on an aux effects channels (although if I use audio tracks in input mode instead for effects returns it still happens), often it sounds like a reverb explosion. It only ever occurs immediately after pressing play, or repositioning the playback curser whilst the session is playing.

I have been in contact with support, who has confirmed the issue is reproducible on their end, so it is not system specific to my setup. However, I have been through every possible trouble-shooting step, and nothing helps. This includes complete uninstall/ reinstall of PT, removal of all possible 3rd peripherals and software, no 3rd party plugs installed. I can reproduce the issue with either my Metric Halo uln-8 or my mac's internal soundcard. Playback engine settings make no difference; no do any other preference settings.

It is not specific to a plugin. I can easily reproduce the issue with a fresh install and no 3rd party plugs installed.

I have never had it occur on a session without automation, and it seems like the denser the automation data, the more likely I will get the noise bursts.

The bursts are very, very loud, and bypass any plugs on the master bus, so a limiter is not an effective safe guard.

Similarity, the fade-in option on the transport does not help - the noise bypasses the fade in time.

PLEASE report here if you have experienced this bug, or something like it, and voice you concerns.

In my opinion Avid should put as much energy into solving this as quickly and thoroughly as possible before someone ends up with tinnitus and permanent hearing damage.

To reiterate, Avid support have told me they can reproduce the bug, and it occurs with no 3rd party plugins installed and a fresh install.

Anyone else getting this?

From a search of the DUC I can see similar issues going back a long while, and other posts documenting what looks to be the exact same thing.


My system details:

PT 12.2.1 (issue has existed since 11, but seems to have got worse under 12)
OSX 10.9.6
2009 Mac Pro 12 core 2.66
24 GB ram
System Drive OWC Pci-e SSD
Project Drive OWC SATA 3g SSD
(The ssd's are new additions; the problem was the same using all conventional HDDs)
Metric Halo ULN-8
UAD-2 Octo
Artist Mix

Last edited by mr xy; 10-15-2015 at 03:36 PM.

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