: DDP2.0 is a "downgrade" from the original 5.1 or Atmos tracks found on discs.
: The file size (approx. 4GB), which is unusually small for a 4K movie. DDP2.0 : Digital Dolby Plus audio in 2-channel stereo.
: While it is 2160p, the low bitrate means you may see visual artifacts in dark scenes.