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The adoption of HTML audio, as with HTML video, has become polarized between proponents of free and patent-encumbered formats. In 2007, the recommendation to use Vorbis was retracted from the HTML5 specification by the W3C together with that to use Ogg Theora, citing the lack of a format accepted by all the major browser vendors.
The HTML5 draft specification adds video and audio elements for embedding video and audio in HTML documents.The specification had formerly recommended support for playback of Theora video and Vorbis audio encapsulated in Ogg containers to provide for easier distribution of audio and video over the internet by using open standards, but the recommendation was soon after dropped.
Auto-Play is a feature used by some websites containing at least one embedded video or audio element wherein the video or audio element starts playing, automatically, without explicit user choice, after some triggering event such as page load or navigating to a particular region of the webpage.
Media Source Extensions (MSE) is a W3C specification that allows JavaScript to send byte streams to media codecs within web browsers that support HTML video and audio. [5] Among other possible uses, this allows the implementation of client-side prefetching and buffering code for streaming media entirely in JavaScript .
This is a listing of open-source codecs—that is, open-source software implementations of audio or video coding formats, audio codecs and video codecs respectively. Many of the codecs listed implement media formats that are restricted by patents and are hence not open formats.
WebM is an audiovisual media file format. [5] It is primarily intended to offer a royalty-free alternative to use in the HTML video and the HTML audio elements. It has a sister project, WebP, for images.
AutoPlay decides whether the volume is an Audio CD, movie DVD, a blank recordable medium (a CD-R, CD-RW, DVD+R etc.) or a generic volume which contains files. In the case of a generic volume, AutoPlay starts with the root directory and searches the file system to a depth of four directory levels below the root directory to find file types that ...
The proposal to add DRM features to HTML5 itself has been criticized by those who consider openness and vendor-neutrality (both server- and client-side) one of the most important properties of HTML, because DRM is incompatible with free software, [88] [89] and in the proposed form potentially not more vendor-neutral than proprietary plug-ins ...