getFrequencyResponse

Summary

Given the current filter parameter settings, calculates the frequency response for the specified frequencies.

Method of apis/webaudio/BiquadFilterNodeapis/webaudio/BiquadFilterNode

Syntax

var  = BiquadFilterNode.getFrequencyResponse(frequencyHz, magResponse, phaseResponse);

Parameters

frequencyHz

Data-type

void

Specifies an array of frequencies at which the response values will be calculated.

magResponse

Data-type

void

Specifies an output array receiving the linear magnitude response values.

phaseResponse

Data-type

void

Specifies an output array receiving the phase response values in radians.

Return Value

Returns an object of type

Examples

var audioCtx = new AudioContext();
var biquadFilter = audioCtx.createBiquadFilter();
biquadfilter.getFrequencyResponse(myFrequencyArray,magResponseOutput,phaseResponseOutput);

Related specifications

W3C Web Audio API

W3C Editor’s Draft