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DCMeter.ts
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/
DCMeter.ts
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import { optionsFromArguments } from "../../core/util/Defaults";
import { MeterBase, MeterBaseOptions } from "./MeterBase";
export type DCMeterOptions = MeterBaseOptions;
/**
* DCMeter gets the raw value of the input signal at the current time.
*
* @example
* const meter = new Tone.DCMeter();
* const mic = new Tone.UserMedia();
* mic.open();
* // connect mic to the meter
* mic.connect(meter);
* // the current level of the mic
* const level = meter.getValue();
* @category Component
*/
export class DCMeter extends MeterBase<DCMeterOptions> {
readonly name: string = "DCMeter";
constructor(options?: Partial<DCMeterOptions>);
constructor() {
super(optionsFromArguments(DCMeter.getDefaults(), arguments));
this._analyser.type = "waveform";
this._analyser.size = 256;
}
/**
* Get the signal value of the incoming signal
*/
getValue(): number {
const value = this._analyser.getValue() as Float32Array;
return value[0];
}
}