kind

Summary

Returns the category the given track falls into.

Property of apis/audio-video/AudioTrackapis/audio-video/AudioTrack

Syntax

Note: This property is read-only.

var result = AudioTrack.kind;

Return Value

Returns an object of type StringString

• “alternative” : A possible alternative to the main track, e.g. a different take of a song (audio), or a different angle (video). Applies to: Audio, Video
• “captions”: A version of the main video track with captions burnt in. (For legacy content; new content would use text tracks.) Applies to: Video
• “descriptions”: An audio description of a video track. Applies to: Audio
• “main”: The primary audio or video track. Applies to: Audio, Video
• “main-desc”: The primary audio track, mixed with audio descriptions. Applies to: Audio
• “sign”: A sign-language interpretation of an audio track. Applies to: Video
• “subtitles”: A version of the main video track with subtitles burnt in. (For legacy content; new content would use text tracks.) Applies to: Video
• “translation”: A translated version of the main audio track. Applies to: Audio
• “commentary”: Commentary on the primary audio or video track, e.g. a director’s commentary. Applies to: Audio, Video
• “” (empty string): No explicit kind, or the kind given by the track’s metadata is not recognised by the user agent. Applies to: Audio, Video

Examples

<video id="video1" controls autoplay loop>
    <source src="http://ie.microsoft.com/testdrive/ieblog/2011/nov/pp4_blog_demo.mp4" type="video/mp4" >
    <track id="enTrack" src="entrack.vtt" label="English" kind="subtitles" srclang="en" default>
    <track id="esTrack" src="estrack.vtt" label="Spanish" kind="subtitles" srclang="es">
    <track id="deTrack" src="detrack.vtt" label="German" kind="subtitles" srclang="de">
    HTML5 video not supported
</video>

Related specifications

W3C HTML5 Specification

W3C Editor’s Draft

Attributions

• Microsoft Developer Network: Windows Internet Explorer API reference Article