tone
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A Web Audio framework for making interactive music in the browser.
37 lines • 937 B
JavaScript
import { SignalOperator } from "./SignalOperator";
import { WaveShaper } from "./WaveShaper";
/**
* GainToAudio converts an input in NormalRange [0,1] to AudioRange [-1,1].
* See [[AudioToGain]].
* @category Signal
*/
export class GainToAudio extends SignalOperator {
constructor() {
super(...arguments);
this.name = "GainToAudio";
/**
* The node which converts the audio ranges
*/
this._norm = new WaveShaper({
context: this.context,
mapping: x => Math.abs(x) * 2 - 1,
});
/**
* The NormalRange input [0, 1]
*/
this.input = this._norm;
/**
* The AudioRange output [-1, 1]
*/
this.output = this._norm;
}
/**
* clean up
*/
dispose() {
super.dispose();
this._norm.dispose();
return this;
}
}
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