Video

Video codecs

Terms

8 terms

  • AV1

    AV1 is a royalty-free video codec from the Alliance for Open Media that compresses video more efficiently than H.264 and VP9 for streaming.

  • DNxHR

    DNxHR is Avid's family of intra-frame video codecs for editing and finishing at resolutions above HD, from proxy quality up to 12-bit 4:4:4.

  • GOP

    A GOP, or group of pictures, is the repeating structure of I-, P- and B-frames that interframe video codecs use to compress video over time.

  • H.264

    H.264 is the block-based video codec standard, also called AVC, that compresses video for streaming, broadcast, cameras and conferencing on almost any device.

  • H.265

    H.265, also called HEVC, is a video compression standard that delivers similar quality to H.264 at a substantially lower bitrate, notably for 4K and HDR.

  • Keyframe

    A keyframe in video codecs is an intra-coded frame that is compressed without reference to other frames, serving as a start point for decoding and seeking.

  • ProRes

    ProRes is an Apple family of intra-frame video codecs designed for editing, offering high image quality and smooth playback at moderate bitrates.

  • VP9

    VP9 is a royalty-free video codec from Google that compresses video more efficiently than H.264 and is widely used for web streaming and WebRTC.