AudioTrack.kind

The kind property contains a string indicating the category of audio contained in the AudioTrack. The kind can be used to determine the scenarios in which specific tracks should be enabled or disabled. See Audio track kind strings for a list of the kinds available for audio tracks.

Syntax

var trackKind = AudioTrack.kind;

Value

A DOMString specifying the type of content the media represents. The string is one of those found in Audio track kind strings below.

Audio track kind strings

The kinds available for audio tracks are:

"alternative"
A potential alternative to the main track, such as a different audio take or a version of the soundtrack with only the music and no dialogue.
"descriptions"
An audio track providing audible descriptions of the action depicted in a video track.
"main"
The primary audio track.
"main-desc"
The primary audio track with audio descriptions mixed into it.
"translation"
A translated version of the primary audio track.
"commentary"
An audio track containing a commentary. This might be used to contain the director's commentary track on a movie, for example.
"" (empty string)
The track doesn't have an explicit kind, or the kind provided by the track's metadata isn't recognized by the user agent.

Specifications

Specification Status Comment
HTML Living Standard
The definition of 'AudioTrack: kind' in that specification.
Living Standard
HTML5
The definition of 'AudioTrack.kind' in that specification.
Recommendation

Browser compatibility

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
kindChrome Full support 45
Disabled
Full support 45
Disabled
Disabled From version 45: this feature is behind the enable-experimental-web-platform-features preference (needs to be set to enabled). To change preferences in Chrome, visit chrome://flags.
Edge Full support 79
Disabled
Full support 79
Disabled
Disabled From version 79: this feature is behind the enable-experimental-web-platform-features preference (needs to be set to enabled).
No support 12 — 79
Firefox Full support 33
Disabled
Full support 33
Disabled
Disabled From version 33: this feature is behind the media.track.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
IE Full support 10Opera Full support 32
Disabled
Full support 32
Disabled
Disabled From version 32: this feature is behind the enable-experimental-web-platform-features preference (needs to be set to enabled).
Safari Full support 6.1WebView Android Full support 45Chrome Android Full support 45
Disabled
Full support 45
Disabled
Disabled From version 45: this feature is behind the enable-experimental-web-platform-features preference (needs to be set to enabled). To change preferences in Chrome, visit chrome://flags.
Firefox Android Full support 33
Disabled
Full support 33
Disabled
Disabled From version 33: this feature is behind the media.track.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Opera Android Full support 32
Disabled
Full support 32
Disabled
Disabled From version 32: this feature is behind the enable-experimental-web-platform-features preference (needs to be set to enabled).
Safari iOS Full support 7Samsung Internet Android No support No

Legend

Full support
Full support
No support
No support
User must explicitly enable this feature.
User must explicitly enable this feature.