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Old 01-05-2007, 06:30 AM   #1
Alistair S
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Default Sidechaining Reacomp/reagate (again, sorry!)

I am determined to get to the bottom of sidechaining as it looks super-useful.

However, I am struggling and I suspect that I am doing something really dumb and could use some help.

I have set up 2 tracks to work this out.

Track 1 - Guitar
Track 2 - Kick drum

This is just to experiment. What I am trying to do is to either compress or gate the guitar based on the kick input.

OK, so I set up the guitar track with 4 channels and route the outputs (1/2) from the kick to channels 3/4 on the guitar track.

I set up reacomp (or reagate) on the guitar track. The kick inputs (channels 3 and 4) show up as Aux Input L and Aux Input R on the VST (sounds good to me...)

I select Aux L+R as the detector input. I have also tried with just using the left and just using the right.

Is this correct so far?

When I preview filter output it simply mutes the guitar altogether. Changing settings has no effect.

I seem to be able to make it work using the excellent Majortom. I simply set detector input to sidechain and adjust the threshold.

I suspect I am missing something on reacomp/reagate.

Help, help!
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Old 01-05-2007, 08:26 AM   #2
maa
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Did you actually set up the 4 channels of the guitar track ?
If you didn't it will only have 2 by default and you wont have routed the signal....
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Old 01-05-2007, 08:53 AM   #3
Alistair S
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Yes, definitely all there... thanks, though.

However, I think it is actually OK. When I take off the preview filter it all sounds OK and does what I expected, so I am up and running (huzzah!).

Maybe I misunderstood what the preview filter is for...
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Old 01-05-2007, 09:56 AM   #4
maa
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Yeah - more than likely - its just for listeneing to the sound as it comes through the high and low cut EQ. The Effecdt itself is BYPASSED when doing this.

What I miss is an actual 'Key Listen' function.

Cheers

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Old 01-05-2007, 10:38 AM   #5
LOSER
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Quote:
Originally Posted by maa View Post
What I miss is an actual 'Key Listen' function.
Sorry for the stupid question, but what does a key listen function do, different than the preview filter function in REAPER?
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Old 01-05-2007, 12:20 PM   #6
maa
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Quote:
Originally Posted by LOSER View Post
Sorry for the stupid question, but what does a key listen function do, different than the preview filter function in REAPER?
It allows you to listen to the sidechain input = Key.
All hardware has this function.


Cheers

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Old 01-05-2007, 12:37 PM   #7
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So preview doesn't "listen" to the key input? Bummer...you kinda need that to check the signals coming through. Well it's nice to have anyways...
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Old 01-05-2007, 02:58 PM   #8
maa
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Default Ooops sorry

Ooops - actually I must correct myself here - the 'Preview Filter' funtion DOES mean KEY LISTEN including the EQ stage.
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Old 01-05-2007, 03:43 PM   #9
Bastiaan M
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To grasp the sidechain a bit more you could try this:

Have a track with a rather dull sounding kick.
Create a 60 Hz sinewave on a track (or get it from a synth or whatever....)
put a gate on the track with the tone and set the sidechain/keyinput to the kicktrack and play with the controls. This will give you a very nice and resonant sound.
I have done this before in Protools, and there you need to create a bus for it to get the kick into the gate, not sure wether that has to be done with Reaper
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