DMGAudio eQuality observation

Ermz

Ermz

¯\(°_o)/¯
Apr 5, 2002
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Melbourne, Australia
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Hey guys,

I've been a big user of eQuality for a while now. Ever since I switched from Oxford.

One thing I've noticed recently is that I gain quite appreciable benefits from using the Digital+ mode over straight Digital. Given that most plain paragraphic digital EQs are supposed to sound identical, I'm wondering why this is. Is it an oversampling mode? In the plug-in's manual Digital+ is supposed to offer very faint benefits to high-end content, but I've noticed it across the lows and midrange as well. Using it helps open up the mids on guitar tones, and solidify the low-end on my (usually quite extreme) bass processing chains.

Having said that, are there any EQs which sound appreciably better than eQuality for less CPU hit? I ask because the Digital+ mode chews through a fair bit more CPU, though seems important enough to warrant being used on every instance.
 
If it is oversampling that it turns on, it makes sense it would affect the whole frequency range. Pushing the nyquist frequency further up the range will reduce wraparound frequencies (aliasing) and would clear up the other bands.

Thats a simplification. But it's the one thing I thought of initially.
 
Yeah, most likely a 2x oversampling, to push the frequency warping around Nyquist out of the audible range. The increased CPU is dued not only to the 2x processing but also to the antialiasing filter needed when oversampling.
It shouldn't make THAT much difference in the other bands though.
 
Wild Hades said:
Yeah, most likely a 2x oversampling, to push the frequency warping around Nyquist out of the audible range. The increased CPU is dued not only to the 2x processing but also to the antialiasing filter needed when oversampling.
It shouldn't make THAT much difference in the other bands though.
Click to expand...

For some reason it does though. It may be psycho-acoustic phenomena due to the high-end clearing up that makes one perceive the other bands as being clearer.
 
Revisiting this thread few months later. Do you guys find yourselves using EQuality only for cutting while using other EQs for color, or do you actually use this plugin to boost certain range of frequencies?
 
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