Constructor

DynamicsCompressorNode()

Creates a new instance of a DynamicsCompressorNode object.

Instance properties

Inherits properties from its parent, AudioNode.

DynamicsCompressorNode.threshold Read only

A k-rate AudioParam representing the decibel value above which the compression will start taking effect.

DynamicsCompressorNode.knee Read only

A k-rate AudioParam containing a decibel value representing the range above the threshold where the curve smoothly transitions to the compressed portion.

DynamicsCompressorNode.ratio Read only

A k-rate AudioParam representing the amount of change, in dB, needed in the input for a 1 dB change in the output.

DynamicsCompressorNode.reduction Read only

A float representing the amount of gain reduction currently applied by the compressor to the signal.

DynamicsCompressorNode.attack Read only

A k-rate AudioParam representing the amount of time, in seconds, required to reduce the gain by 10 dB.

DynamicsCompressorNode.release Read only

A k-rate AudioParam representing the amount of time, in seconds, required to increase the gain by 10 dB.

Instance methods

No specific methods; inherits methods from its parent, AudioNode.

Example

See BaseAudioContext.createDynamicsCompressor() example code.

Specifications

Browser compatibility

See also

• Using the Web Audio API