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BiquadFilterNode

A simple low-order filter, and is created using the AudioContext.createBiquadFilter() method. It is an AudioNode that can represent different kinds of filters, tone control devices, and graphic equalizers.

interface BiquadFilterNode extends AudioNode {

readonly detune: AudioParam;

readonly frequency: AudioParam;

readonly gain: AudioParam;

readonly Q: AudioParam;

type: BiquadFilterType;

getFrequencyResponse(

frequencyHz: Float32Array,

magResponse: Float32Array,

phaseResponse: Float32Array,

): void;

}

var BiquadFilterNode: {

prototype: BiquadFilterNode;

new (context: BaseAudioContext, options?: BiquadFilterOptions): BiquadFilterNode;

};

§Extends

§Properties

readonly detune: AudioParam

readonly frequency: AudioParam

readonly gain: AudioParam

readonly Q: AudioParam

type: BiquadFilterType

§Methods

getFrequencyResponse(

frequencyHz: Float32Array,

magResponse: Float32Array,

phaseResponse: Float32Array,

): void