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Side Chaining Compressor without side Chain input
Old 23rd October 2013
  #1
Gear Head
 

Side Chaining Compressor without side Chain input

Hi guys,


So I'm at the mastering stage of a track and have a compressor on the main bus. I want to filter the bass frequencies so they don't go through the compressor, however, the compressor doesn't have a side chain input.

What's the best way to do this?
Old 23rd October 2013
  #2
Lives for gear
To the best my knowledge you can't use a compressor to side chain if it doesn't have a sidechain.... unless somebody much smarter than me knows an easy way.

Only way I can think of which would be a lit of work would be to use some clever automation

Sent from my SGH-T999
Old 23rd October 2013
  #3
Lives for gear
If you don't want the bass going through the compressor and that's it, I would just bus everything to the compressor except the bass

Sent from my SGH-T999
Old 23rd October 2013
  #4
Gear Head
 

But I'm at the mastering stage, so only have a stereo file....
Old 23rd October 2013
  #5
Gear Nut
 

you could use this RS-MET crossover (RS-MET) to build your own signal path to the compressor and out again.
Old 23rd October 2013
  #6
Lives for gear
 
I.R.Baboon's Avatar
Quote:
Originally Posted by CPhoenix View Post
To the best my knowledge you can't use a compressor to side chain if it doesn't have a sidechain.... unless somebody much smarter than me knows an easy way.

Only way I can think of which would be a lit of work would be to use some clever automation

Sent from my SGH-T999
Well, there are some tricks that can have the same effect:

For example, you could use emphasis / de-emphasis.

Say, for example, you want to filter the (non-existent) sidechain so that the low end doesn't trigger the compressor. What you could do is make a low shelf dip starting at (say) 170hz, min 12dB. You run that through your compressor, then after that make a low shelf boost of 12dB at 170hz. I'd do this (the EQ) with plugs for precision.

I sometimes use a similar trick when i want to add saturation without the low end breaking up.
Old 23rd October 2013
  #7
Lives for gear
Quote:
Originally Posted by I.R.Baboon View Post
Well, there are some tricks that can have the same effect:

For example, you could use emphasis / de-emphasis.

Say, for example you want to filter the (non-existent) sidechain so that the low end doesn't trigger the compressor. What you could do is make a low shelf dip starting at (say) 170hz, min 12dB. You run that through your compressor, then after that make a low shelf boost of 12dB at 170hz. I'd do this (the EQ) with plugs for precision.

I sometimes use a similar trick when i want to add saturation without the low end breaking up.
Smart!

Sent from my SGH-T999
Old 23rd October 2013
  #8
Lives for gear
 
sdbmastering's Avatar
 

Verified Member
Quote:
Originally Posted by I.R.Baboon View Post
Well, there are some tricks that can have the same effect:

For example, you could use emphasis / de-emphasis.

Say, for example, you want to filter the (non-existent) sidechain so that the low end doesn't trigger the compressor. What you could do is make a low shelf dip starting at (say) 170hz, min 12dB. You run that through your compressor, then after that make a low shelf boost of 12dB at 170hz. I'd do this (the EQ) with plugs for precision.

I sometimes use a similar trick when i want to add saturation without the low end breaking up.
Good tip. You can also try to use parallel compression, just feeding the compressor with what you want to be compressed, over do it a little and add that to your original signal. It won't sound exactly the same but it might also work.
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