H.264 是MPEG-4 标准所定义的最新格式，同时也是技术含量最高、代表最新技术水平的视频编码格式之一，有的也称（AVC）。

　　AVC/H.264 视频编码由ISO 的MPEG 和ITU 的VCEG 两个组织于2003 年最终定稿。AVC/H.264 标准本身则是由包括来自MPEG 和VCEG 专家的Joint Video Team（JVT）开发。-H.264 is the latest format defined by the MPEG-4 standard, but also the highest technical content, representing the latest technology level video encoding formats, and some (AVC).

AVC/H.264 video coding ISO MPEG and ITU VCEG the two organizations was finalized in 2003. The AVC/H.264 Standard itself was developed by the Joint Video Team (JVT) from MPEG and VCEG experts.