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The BDAV container format used on AVCHD equipment is slightly more restricted and only contains H.264/MPEG-4 AVC video compression.

The container format BDAV contain one of the three supported video compression formats H.262/MPEG-2 (Part 2), H.264/MPEG-4 (AVC) or SMPTE (VC-1). M2TS files aim to optimize the storage size as such the uses VBR (variable rate) transport streams instead of CBR (constant rates). The BDAV container format is a modification of MPEG-2 transport stream. The format is used for saving video data on Blu-ray discs and is based on the MPEG-2 transport stream which supports both 720p and 1080i formats.

BDAV is the standard for Blu-ray, however M2TS files are also regularly seen with MOD files from Sony camcorders. An M2TS file is a Blu-ray BDAV Video file, it is used for multiplexing audio, video and other streams.