Avatar -2009- 3d-hsbs-1080p-h264-ac 3 -dolbydig... -

High compatibility with most 3D hardware; smaller file size than "Full SBS" or Blu-ray 3D ISOs.

This is the video codec—the compression algorithm used to shrink the massive video file down to a manageable size. Avatar -2009- 3D-HSBS-1080p-H264-AC 3 -DolbyDig...