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https://github.com/Tonejs/Tone.js
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40 lines
801 B
TypeScript
40 lines
801 B
TypeScript
import { ToneAudioNodeOptions } from "../core/context/ToneAudioNode";
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import { SignalOperator } from "./SignalOperator";
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import { WaveShaper } from "./WaveShaper";
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/**
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* GainToAudio converts an input in NormalRange [0,1] to AudioRange [-1,1].
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* See [[AudioToGain]].
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* @category Signal
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*/
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export class GainToAudio extends SignalOperator<ToneAudioNodeOptions> {
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readonly name: string = "GainToAudio";
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/**
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* The node which converts the audio ranges
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*/
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private _norm = new WaveShaper({
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context: this.context,
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mapping: x => Math.abs(x) * 2 - 1,
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});
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/**
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* The NormalRange input [0, 1]
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*/
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input = this._norm;
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/**
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* The AudioRange output [-1, 1]
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*/
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output = this._norm;
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/**
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* clean up
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*/
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dispose(): this {
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super.dispose();
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this._norm.dispose();
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return this;
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}
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}
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