AV1 stands for AOMedia Video 1.
AV1 is a new video codec developed and specified by the Alliance for Open Media.
As a codec, it is targeted to be the successor of VP9 and H.265, offering better performance.
![](https://bloggeek.me/webrtcglossary/wp-content/uploads/2016/12/webrtc-video-codecs-1024x576.png)
The most important aspect of AV1 is it being a royalty free codec.