audio-biquaddeprecated

Biquad filter for audio streams

Usage no npm install needed!

<script type="module">
  import audioBiquad from 'https://cdn.skypack.dev/audio-biquad';
</script>

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.