AudioMeter

new AudioMeter( context [, options ] )

Description

The AudioMeter class analyzes audio input and reports on its level (volume). It can be used in a WebAudio chain by connecting a source node to the AudioMeter object.

let meter = new AudioMeter(context);
			someSourceAudioNode.connect(meter);

Parameters

Name Type Attributes Default Description

context

AudioContext

The AudioContext that this object belongs to.

options

Object

{}

Name	Type	Attributes	Default	Description
`smoothingTimeConstant`	number	<optional>	0.8	A number between 0 and 1 to quantify the amount of smoothing applied to the calculated volume.
`minDecibels`	number	<optional>	-100	A number representing the minimum decibel value for scaling the FFT analysis data, where 0 dB is the loudest possible sound. The default value is -100 dB.
`maxDecibels`	number	<optional>	-30	A number representing the maximum decibel value for scaling the FFT analysis data, where 0 dB is the loudest possible sound. The default value is-30 dB.
`fftSize`	number	<optional>	2048	An unsigned integer, representing the window size of the FFT, given in number of samples. A higher value will result in more details in the frequency domain but fewer details in the time domain.

Details

Classes

new AudioMeter( context [, options ] )