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User’s Guide
9
Stereo and Mono Sidechain Compressors for Tracktion
Example 1: Compressor triggering from another track
Suppose you want to use the Sidechain Compressor as a "ducker," i.e., to reduce a music program
when you make an announcement. We can set up the Sidechain Compressor to take its Key Input
from a vocal track, and its main inputs from a music track.
Setting up the Key Input
1. Set up the Rack Filter on track 1 (for example), as shown on the previous page.
2. Click on the fi lter icon at the right of track 1, to bring up the rack fi lter details area.
3. In the rack fi lter details area, change the input destinations to be the Key Input. So now, the
sidechain compressor will get its Key Input from track 1.
4. If we were to play this track, there would be no output, because it is just feeding the Key Input. If
we set the Rack Filter to +0.0 dB DRY and -INF dB WET for track 1, then we will still be able to
hear its original form and beauty.
5. So here we are. Track 1 is set up to be the Key Input of the Sidechain Compressor, and yet it can
still be heard if you play it back. Its output is not affected by any Compressor settings.
Note: If you MUTE this track, it also mutes the Key Input.
continued..
–INF dB WET
0.0 dB DRY