This might be a question for the developers of this amazing tool; but is there a way to maximize the theoretical quality of the Ceilings of Sound Pro plugin? I'm mastering an album for some friends of mine, and I gotta say, using COS Pro to maintain tone across all the tracks in an album is sooooo convenient and effective! I just placed all the mastered tracks in one track, hit play, let COS Pro analyze the entire album to get a good average ceiling, hit "Auto Generate Ceiling", then went through and analyzed each track, conforming it to the generated ceiling using the 50-band setting.
I just want to make sure I'm getting the (theoretically of course) "best" quality of EQ I can get. Currently processing in 32-bit, 88.2kHz after rendering from Reaper, with limiters turned off. I don't see any settings for offline use and generally is software is optimized for real-time use, usually, sacrifices are made somewhere (at least in my limited experience).
Thanks so much!
EDIT: OK, I am happy to report that in the case of COS Pro and Reaper, at least if the plugin is running by itself, there is no difference between it running at 2x (Full Speed Offline with Reaper set to not allow above 1x for plugins), 1x Offline, 1x Offline (idle), or 1x Online. I inverted and summed the results of all renders in pairs and with each other, then boosted each by 60dB 5 times in iZotope, and it was still showing digital silence.
You do have a valid point though because on several projects if I render with other plugins at 1x Offline, Full Speed online, or 1x Offline, then invert and sum the differences (even with Reaper set to not allow above 1x for plugins) there are very audible remnants left, even if there are so many FX that Reaper is rendering at 0.5x speed. The weird thing is the summed differences always seem to start louder at the start then fade out into almost nothing over 20 seconds or so, so it's like samples aren't being loaded into the FX properly. The downside is, I can't tell which of the render options has the issue since all three have different results, and I do not know if there is something within Reaper itself that could fix the issue.
That is a valid question. COS Pro was designed to always give the best possible sonic quality which is why it's used by many critical audiophiles. When offline rendering with any plugin and at any resolution you will always get the best sonic quality when rendering in realtime...1x. Rendering at 2x, 4x, etc never tends to sound quite the same as 1x.