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OSP Spatializer AAX plugin crashing Pro Tools 11

Level 2
Hi there,

I was wondering if anyone has the issue I'm running into recently with the OSP Spatializer aax plugin:

I have 4 aux buses, each with an OSP Spatializer (mono to stereo) insert attached. I then create an audio track (channel number doesn't seem to make a difference) that sends to each of these buses at unity gain. Now I want to be able to record audio into the audio track while those plugins are active. However right when I arm the audio track for recording (or input monitoring, since I'm using non-HD Pro Tools), the entire application crashes and I get an Avid crash log report. 

After tinkering a little, it seems like I can do this just fine if I have only one instance of the plugin in my session. It's right when I add the second instance and arm a track for recording that the program crashes. '

Anyone else run into this / have any advice?


I'm running version 1.20 of the aax plugin on (non-HD) Pro Tools 11.3.1 using a 64 bit Windows 10 machine.


Level 3
Hi there, we have not seen this crash before, most of our testing has been done with PT12. However, we will investigate.

In the meantime, if you have multi-core enabled in PT, could you try turning that off and see if it helps?