Enhanced VOB


Enhanced Video Object, also known as Enhanced VOB, EVOB or EVO, is a container format for HD DVD video media. It contains the actual digital video, digital audio, subtitle and DVD menu contents in stream form. It is an extension to VOB. It can contain video encoded in H.264/MPEG-4 AVC, VC-1, or H.262/MPEG-2 Part 2 and audio encoded in AC-3, E-AC-3, Dolby TrueHD, DTS, DTS-HD, PCM, and MPEG-2 Part 3.

Enhanced VOB
Filename extension
Developed byDVD Forum
Initial release31 June 2006; 15 years ago (2006-06-31)
Type of formatContainer format
Container forAudio, video, subtitles
Contained byHD DVD
Extended fromMPEG transport stream (ISO/IEC 13818-1)
StandardDVD Book[1]
Open format?No
Free format?No

There are a few consumer software solutions that can play EVO files, such as PowerDVD, WinDVD for Windows and FFmpeg for Linux (unprotected EVO only), and the cross platform VLC Player.


  1. ^ "DVD Book Construction".

External linksEdit

  • Caulfield, Ian (16 January 2007). "Support for HDDVD .evo files (MPG PS variant) in ffmpeg". ffmpeg-devel (Mailing list).
  • Videohelp.com - What is Blu-ray Disc and HD DVD? - folder and file structure
  • Cutting Master Format for HD DVD-ROM and 3X SPEED DVD ROM (HD DVD CMF) Ver. 1.0
  • HD DVD – A technical introduction