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Old 11-04-2020, 05:57 PM
Darryl Ramm Darryl Ramm is offline
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Join Date: Nov 2010
Location: USA
Posts: 19,657
Default Re: Avid Pro Limiter - reset value bug?

Just noticed I was running the plugin 18.10.0.1452 so played with this more with later plugin versions and reread your above post more clearly and I think I might understand what is happening.

I think I'm seeing all you are seeing on 18.10.x and 19.9.x plugin versions. There is clearly a time decay constant clearly being applied to both the Input Sample Peak Hold and Gain Reduction Peak Hold display values and I think that might be confusing what is seen here... I also suspect it's not a sensible behavior for how clearing those limits work. I created a track with loud bursts of noise lasting a few seconds then dropping off many tens of dB and repeating every 10-20 seconds or so. If you click on either of the peak hold numbers just after burst it does not decrease noticeably but if you keep clicking on them they decay away with a ~few to 5 second or so time constant. So if you are clicking on these numbers fast after a peak you could see the behavior described above, and if the bursts to normal signal levels are not as significant this will be harder to notice the decay. Nathaniel it would be great if you could confirm I'm understanding this.

This time constant has nothing to do with the limiter release time or any other settings I can see in the plugin. I'm suspecting the limit numbers have using a moving average or similar and that may be the right thing for being a visible numbers, you don't want numbers jumping around on a display like this... but I suspect the reset behavior is just incorrect. I don't know why anybody would want to factor in past values when you reset, I would base the reset on the current value only (if necessary for display averaging I would assume you cast that value back as if it was static in past time).

Last edited by Darryl Ramm; 11-04-2020 at 10:40 PM.
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