---
title: "Sidechain"
url: https://postproduction.studio/en/glossary/sidechain
language: en
description: "A signal flow where one track triggers a processor on another (kick triggers compressor on bass, ducking music under dialogue). Common in mixing and mas..."
updated: 2026-10-25
---

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# Sidechain

A signal flow where one track triggers a processor on another (kick triggers compressor on bass, ducking music under dialogue). Common in mixing and mastering.

SoundSound MixerMixing

## Related terms

[Bus routing](https://postproduction.studio/en/glossary/bus-routing)[Multiband compression](https://postproduction.studio/en/glossary/multiband-compression)