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web api instance property

DynamicsCompressorNode: ratio property

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The ratio property of the DynamicsCompressorNode interface Is a k-rate AudioParam representing the amount of change, in dB, needed in the input for a 1 dB change in the output.

The ratio property’s default value is 12 and it can be set between 1 and 20.

Describes the effect of different ratio on the output signal

Value

An AudioParam.

[!NOTE] Though the AudioParam returned is read-only, the value it represents is not.

Examples

const audioCtx = new AudioContext();
const compressor = audioCtx.createDynamicsCompressor();
compressor.ratio.value = 12;

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

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.

See also