Ableton Live Intro Manuel d'instructions télécharger pdf (Page 256)

CHAPTER 20. LIVE AUDIO EFFECT REFERENCE 254

are the same signal. But by using sidechaining, it is possible to compress a signal based

on the level of another signal or a specic frequency component. To access the Sidechain

parameters, unfold the Compressor window by toggling the button in its title bar.

The sidechain parameters are divided into two sections. On the left are the external controls.

Enabling this section with the Sidechain button allows you to select any of Live's internal

routing points from the choosers below. This causes the selected source to act as the

compressor's trigger, instead of the signal that is actually being compressed.

The Gain knob adjusts the level of the external sidechain's input, while the Dry/Wet knob

allows you to use a combination of sidechain and original signal as the compressor's trigger.

With Dry/Wet at 100%, the compressor is triggered entirely by the sidechain source. At

0%, the sidechain is effectively bypassed. Note that increasing the gain does not increase

the volume of the source signal in the mix. The sidechain audio is only a trigger for the

compressor and is never actually heard.

Note that FB mode and automatic Makeup are not available when using external sidechain.

On the right of the external section are the controls for the sidechain EQ. Enabling this

section causes the compressor to be triggered by a specic band of frequencies, instead of

a complete signal. These can either be frequencies in the compressed signal or, by using

the EQ in conjunction with an external sidechain, frequencies in another track's audio.

The headphones button between the external and EQ sections allows you to listen to only

the sidechain input, bypassing the compressor's output. Since the sidechain audio isn't

fed to the output, and is only a trigger for the compressor, this temporary listening option

can make it much easier to set sidechain parameters and hear what's actually making the

compressor work.

20.5.2 Compression Tips

This section presents some tips for using Compressor effectively, particularly with the

sidechain options.

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Vikinin 04 Jan 2024 | 12:03:19

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Ableton Live Intro Manuel d'instructions Page 256