mirror of
https://github.com/Tonejs/Tone.js
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43 lines
842 B
TypeScript
43 lines
842 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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* AudioToGain converts an input in AudioRange [-1,1] to NormalRange [0,1].
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* See {@link GainToAudio}.
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*
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* @example
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* var a2g = new AudioToGain();
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* @category Signal
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*/
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export class AudioToGain extends SignalOperator<ToneAudioNodeOptions> {
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readonly name: string = "AudioToGain";
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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 => (x + 1) / 2,
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});
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/**
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* The AudioRange input [-1, 1]
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*/
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input = this._norm;
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/**
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* The GainRange output [0, 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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