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AV1
 | |
| Internet media type |
video/AV1, video/webm |
|---|---|
| Developed by | Alliance for Open Media |
| Initial release | 28 March 2018 |
| Latest release | 1.0.0 Errata 1[1] 8 January 2019 |
| Type of format | Video coding format |
| Contained by | |
| Extended from | |
| Standard | AOM AV1 |
| Open format? | Yes |
| Free format? | See § Patent claims |
| Website | aomedia |
AOMedia Video 1 (AV1) is an open, royalty-free video coding format initially designed for video transmissions over the Internet. It was developed as a successor to VP9 by the Alliance for Open Media (AOMedia),[2] a consortium founded in 2015 that includes semiconductor firms, video on demand providers, video content producers, software development companies and web browser vendors. The AV1 bitstream specification includes a reference video codec.[1] In 2018, Facebook conducted testing that approximated real-world conditions, and the AV1 reference encoder achieved 34%, 46.2%, and 50.3% higher data compression than libvpx-vp9, x264 High profile, and x264 Main profile respectively.[3]
Like VP9, but unlike H.264 (AVC) and H.265 (HEVC), AV1 has a royalty-free licensing model that does not hinder adoption in open-source projects.[4][5][6][7][2][8]
AVIF is an image file format that uses AV1 compression algorithms.
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