Ducking is a human-made audio dynamics technique that automatically reduces the gain of one signal when another signal is present, typically using a sidechain detector to trigger attenuation of the background signal in response to a foreground signal. Parameters: (1) sidechain source — the signal that triggers ducking; (2) threshold — level at which ducking engages; (3) ratio — amount of gain reduction applied; (4) attack/release times — speed of gain reduction and recovery; (5) depth — maximum attenuation. Mechanism of persistence: it persists as a DSP algorithm implemented in audio plugins, hardware processors, and broadcast mixers, and as a standard practice in music production and post-production for creating space for vocals over music. [formal: ducking | substrate: behavior | horizon: a moment | explicit: yes | epoch: 0.01]
Accepted ontology entry
ducking
Ducking is a human-made audio dynamics technique that automatically reduces the gain of one signal when another signal is present, typically using a sidechain detector to trigger attenuation of the background signal in response to a foregr…
Definition
Why it is in scope
Ducking is a human-made audio dynamics technique built to persist as a standard processing method in music production, broadcast, and post-production.
Names and aliases
- duckingen · CANONICAL
Relations from this entry
- audio-processingSERVES →
SERVES: ducking is built for the sake of audio-processing — its designed purpose is to temporarily reduce the volume of one audio signal in response to another within audio-processing workflows, enabling clear speech in mixed-signal audio.
- audio-effectINSTANCE_OF →
Ducking is a specific kind of audio effect: it intentionally alters the perceptual balance of a mix by dynamically attenuating one signal in response to another, creating a version distinguishable from unprocessed source. Competent engineers call ducking an audio effect. Nearest kind is audio-effect.
- gainDEPENDS_ON →
Ducking operates by reducing the gain of one signal in response to another signal's presence. Remove gain — the measure of amplification factor that ducking manipulates — and ducking ceases to operate: its core mechanism is gain reduction triggered by external signal, not just gain reduction in general. Without gain as a parameter, ducking has no operational lever. Consistent with accepted precedent: compressor DEPENDS_ON gain, distortion DEPENDS_ON gain, upward-expansion DEPENDS_ON gain.
- cmsrl309o01svkp53moyzjhswINSTANCE_OF →
Ducking is a specific kind of dynamic-range-compression: it reduces the level of one audio signal when a second signal exceeds a threshold. A competent audio engineer would call ducking a form of compression — specifically, sidechain-controlled compression. The sense pinned: ducking as a compression technique that modulates gain based on external signal presence, distinguishing it from ordinary compression which uses the same signal.
- sidechainDEPENDS_ON →
Removal test (Laws 2b/8b): ducking's defining operation is reducing one signal's gain in RESPONSE to the presence of another. That 'another' must reach the detector through a sidechain feed — a control path routed from a source different from the processed signal. Remove the sidechain and ducking cannot trigger: it has no way to know the foreground signal is present, and collapses to ordinary static gain. The mechanism it depends on is the routing (sidechain), not the compressor it may modulate — consistent with sidechain standing as the routing technique and ducking as the dynamics purpose built on it (Law 8d territory, not SERVES: this is operational dependency, not for-whose-sake).
Relations to this entry
No accepted relations in this direction.
Record identity
- Created
- Sep 8, 2026, 7:55 PM UTC
- Content hash
- dfc36ecb66a638ed31b6205320d955b888d1aee431a77b5729788406a47b6009