WebM
Sign in to saveAlso known as .webm
WebM (from "Web Movie") is an audiovisual media file format. It is primarily intended to offer a royalty-free alternative to use in HTML video and HTML audio elements. It has a sister project for images: WebP. The development of the format is sponsored by Google, and the corresponding software is distributed under a BSD license. WebM was a collaborative effort first released in 2010.
Key facts
- File format.logo
- 200px|logo
- File format.extension
- .webm
- File format.mime
- video/webm,audio/webm
- File format.owner
- Initially On2, Xiph, and Matroska; later Google
- File format.latest_release_version
- v1.13.0
- File format.type
- Container format
- File format.extended from
- Limited subset of Matroska
- File format.container for
- VP8/VP9/AV1 (video)Vorbis/Opus (audio)
- File format.open
- Yes
- File format.free
- Yes
via Wikipedia infobox
Wikidata facts
- Instance of
- digital container format
- Has part
- AV1
- Based on
- Matroska
- Developer
- Official website
- www.webmproject.org
Show 6 more facts
- mailing list archive URL
- groups.google.com/a/webmproject.org/group/webm-discuss
- file extension
- webm
- media type
- audio/webm
- Commons category
- WebM videos
- publication date
- 2010-05-00
- file format identification pattern
- 1A45DFA3{0-32}4282847765626D4287
Sources (6)
via Wikidata · CC0
Article · 中文
WebM是一个由Google资助的專案，目標是构建一个开放的、免版權費用的视频文件格式。该视频文件格式应能提供高品質的视频压缩以配合HTML5使用。 WebM项目是一个使用BSD许可证的开源项目。它采用了On2 Technologies开发的VP8及其后续版本VP9视频编解码器和Xiph.Org基金会开发的Vorbis、Opus音频编解码器，使用的封装格式则以Matroska格式為基礎。 Apple公司终于在macOS Big Sur 11.3的Safari中，加入了对Google WebM影片编解码器的支持。
Abstract from DBpedia / Wikipedia · CC BY-SA