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When to use a stereo compressor vs mono
Old 4 weeks ago
  #1
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When to use a stereo compressor vs mono

say i have a mono source that im going to put a stereo reverb or delay on, does that mean i need to use a stereo compressor? & if so, does it matter which order they are in the fx chain?
Old 4 weeks ago
  #2
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Quote:
Originally Posted by dbynes View Post
say i have a mono source that im going to put a stereo reverb or delay on, does that mean i need to use a stereo compressor? & if so, does it matter which order they are in the fx chain?
The reason stereo compressors/limiters were developed is because compressors and limiters are devices that manipulate levels...

...And when the left and right channels have their levels manipulated separately (using two mono devices), it often causes what's called "platform shifting", which basically means that you can hear the balance between left and right shifting.

This can be pretty annoying (especially on the final stereo mix).

However, "rules are made to be broken", and sometimes a stereo source can be "enhanced" by using two mono compressors (one for left and one for right).

If you put a single mono compressor on a stereo source, you have to sum them to mono (so it ain't stereo anymore).
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Old 4 weeks ago
  #3
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If you have a compressor that can do stereo or dual-mono, you can experiment! Try using a mono channel of the compressor between the mono source and the reverb. Then try running the comp in stereo after the reverb. Then try it in dual-mono after the reverb.
Old 4 weeks ago
  #4
Quote:
if so, does it matter which order they are in the fx chain?
It does matter.
If you compress after the reverb it will appear to extend the reverb tail.
Whereas , if you compress before the reverb , the reverb tail will be normal.
It will also be quieter ( lower noise floor) if you compress before the reverb/delay.

In that case you only need one channel of compression and that feeds the reverb/delay processor which has a stereo output.
Old 4 weeks ago
  #5
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Quote:
Originally Posted by flanagan View Post

It DOES matter:

If you compress AFTER the reverb it will appear to extend the reverb tail.

Whereas , if you compress BEFORE the reverb , the reverb tail will be normal.

It will also be quieter (lower noise floor) if you compress before the reverb/delay.

In that case you only need one channel of compression, and that feeds the reverb/delay processor which has a stereo output.
[All emphasis mine]
This is all correct.
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