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Tone.js/Tone/signal/GainToAudio.ts

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