mirror of
https://github.com/Tonejs/Tone.js
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d9a7520eb6
Can pass in `channels` into constructor which runs a separate analysis on each channel and returns the results as a Float32Array[].
39 lines
998 B
TypeScript
39 lines
998 B
TypeScript
import { optionsFromArguments } from "../../core/util/Defaults";
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import { MeterBase, MeterBaseOptions } from "./MeterBase";
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export type DCMeterOptions = MeterBaseOptions;
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/**
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* DCMeter gets the raw value of the input signal at the current time.
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*
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* @example
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* import { DCMeter, UserMedia } from "tone";
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* const meter = new DCMeter();
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* const mic = new UserMedia();
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* mic.open();
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* // connect mic to the meter
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* mic.connect(meter);
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* // the current level of the mic
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* const level = meter.getValue();
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* @category Component
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*/
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export class DCMeter extends MeterBase<DCMeterOptions> {
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readonly name: string = "DCMeter";
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constructor(options?: Partial<DCMeterOptions>);
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constructor() {
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super(optionsFromArguments(DCMeter.getDefaults(), arguments));
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this._analyser.type = "waveform";
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this._analyser.size = 256;
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}
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/**
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* Get the signal value of the incoming signal
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*/
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getValue(): number {
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const value = this._analyser.getValue() as Float32Array;
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return value[0];
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}
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}
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