パッケージの詳細

audio-biquad

audiojs34MIT非推奨1.1.3

That is just reference implementation copied from chrome source. Use as example, in production better come up with your own.

Biquad filter for audio streams

audio, pcm, stream, sound

readme

audio-biquad Build Status stable

Biquad filter stream. API is similar to BiquadFilterNode.

npm install audio-biquad

var BiquadFilter = require('audio-biquad');
var Speaker = require('audio-speaker');
var Generator = require('audio-generator');

Generator(function () {
    return Math.random() * 2 - 1;
}, {
    duration: 2
})
.pipe(BiquadFilter({
    type: 'bandpass',
    frequency: 440,
    Q: 100,
    gain: 25
}))
.pipe(Speaker());

BiquadFilterNode — all the options for the filters.
BiquadFilterNode chromium source — source code inspiration.
EQ Cookbook — description of all the kinds of filters.