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Parallel compression - How does it work?
Old 2 weeks ago
  #1
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Parallel compression - How does it work?

Some analog compressors offer a dry/wet option allowing for parallel compression - Technically, how does this work? Does the compressor split the incoming signal into two separate signals and then sum them back into one? If so - Could it, potentially, introduce some sonic artifacts such as phase issues, alternation of the stereo field etc. due to the fact that each analog signal, opposed to digital, "lives it's own life" when it comes to (in some cases very subtle) coloration, saturation etc.
In case of the digital domain, two perfectly aligned signals on top of each other would only affect the amplitude, but I would instinctively think that two separate analog signals would introduce some kind of very subtle "chorusy" effect .. Could be a completely weird thought though

Is it common to use parallel compression on the mixbus btw?
Old 2 weeks ago
  #2
Lives for gear
Nothing in the analogue world would delay the signal enough to cause phase issues, in the digital world things would be programatically aligned (delay compensation on the dry signal to match the processed signal).
Old 2 weeks ago
  #3
Electrons travel at the speed of light - 3 x 10^8 m/s.

That’s not going to cause phasing if you ran it through 100 miles of audio cable.
Old 2 weeks ago
  #4
Quote:
s it common to use parallel compression on the mixbus btw?
You use when you want that specific sound for it and It is common to use it on tracks as well as on bus's just like EQ is common to use on tracks and on bus's
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