According to the spec, decodeAudioData detaches the given ArrayBuffer before decoding. This means that the ArrayBuffer no longer has any contents and can't be reused or examined. If it's important to keep the data, user ArrayBuffer.slice(0) to make a copy for decodeAudioData.

Documentation

• https://webaudio.github.io/web-audio-api/#widl-BaseAudioContext-decodeAudioData-Promise-AudioBuffer--ArrayBuffer-audioData-DecodeSuccessCallback-successCallback-DecodeErrorCallback-errorCallback

Specification

Specification link

Status: Specification being incubated in a Community Group

Status in Chromium

Blink components: Blink>WebAudio

Implementation status: Enabled by default (tracking bug)

Consensus & Standardization

• Firefox: Shipped/Shipping
• Safari: No signal
• Web Developers: No signals

Owners

• rtoy@chromium.org
• hongchan@chromium.org

Last updated on 2021-05-05