AudioBuffer

Summary

This interface represents a memory-resident audio asset, primarily for one-shot sounds and other short audio clips. Its format is non-interleaved IEEE 32-bit linear PCM with a nominal range of -1 -> +1. It can contain one or more channels.

Properties

duration

Duration, in seconds, of the PCM audio data in the buffer.

length

Length, in sample-frames, of the PCM audio data.

numberOfChannels

The number of discrete audio channels described by the PCM audio data.

sampleRate

The sample rate, in samples per second, for the PCM audio data.

Methods

getChannelData

Returns the Float32Array representing the PCM audio data for the specific channel.

Events

No events.

Related specifications

W3C Web Audio API

W3C Editor’s Draft