DynamicsCompressorNode: knee property

{{ APIRef("Web Audio API") }}

The knee property of the {{ domxref("DynamicsCompressorNode") }} interface is a k-rate {{domxref("AudioParam")}} containing a decibel value representing the range above the threshold where the curve smoothly transitions to the compressed portion.

The knee property's default value is 30 and it can be set between 0 and 40.

Value

An {{domxref("AudioParam")}}.

[!NOTE] Though the {{domxref("AudioParam")}} returned is read-only, the value it represents is not.

Examples

const audioCtx = new AudioContext();
const compressor = audioCtx.createDynamicsCompressor();
compressor.knee.value = 40;

See BaseAudioContext.createDynamicsCompressor() for more complete example code.

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• Using the Web Audio API