Enhanced VOB
Encyclopedia
An EVO file is a container format contained in HD DVD
video media. It contains the actual video
, audio
, subtitle
and menu
contents in stream form. It is an extension to VOB
, which is an extension to MPEG program stream. The extensions are in the form of private stream data and their interpretation.
EVO files can contain video encoded in H.264/MPEG-4 AVC
, VC-1
, or MPEG-2
and audio encoded in AC-3
, E-AC-3, Dolby TrueHD
, DTS, DTS-HD, PCM, and MPEG-2
.
There are a few consumer software solutions that can play EVO files - PowerDVD
, WinDVD
for Windows and FFmpeg
for Linux (unprotected EVO only).
HD DVD
HD DVD is a discontinued high-density optical disc format for storing data and high-definition video.Supported principally by Toshiba, HD DVD was envisioned to be the successor to the standard DVD format...
video media. It contains the actual video
Video
Video is the technology of electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing scenes in motion.- History :...
, audio
Sound
Sound is a mechanical wave that is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing and of a level sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.-Propagation of...
, subtitle
Subtitle (captioning)
Subtitles are textual versions of the dialog in films and television programs, usually displayed at the bottom of the screen. They can either be a form of written translation of a dialog in a foreign language, or a written rendering of the dialog in the same language, with or without added...
and menu
Menu (computing)
In computing and telecommunications, a menu is a list of commands presented to an operator by a computer or communications system. A menu is used in contrast to a command-line interface, where instructions to the computer are given in the form of commands .Choices given from a menu may be selected...
contents in stream form. It is an extension to VOB
VOB
A VOB file is a container format in DVD-Video media. VOB can contain video, audio, subtitle, menu and navigation contents multiplexed together into a stream form. VOB is based on the MPEG program stream format, but with additional limitations and specifications in the private streams...
, which is an extension to MPEG program stream. The extensions are in the form of private stream data and their interpretation.
EVO files can contain video encoded in H.264/MPEG-4 AVC
H.264/MPEG-4 AVC
H.264/MPEG-4 Part 10 or AVC is a standard for video compression, and is currently one of the most commonly used formats for the recording, compression, and distribution of high definition video...
, VC-1
VC-1
VC-1 is the informal name of the SMPTE 421M video codec standard, which was initially developed as a proprietary video format by Microsoft before it was released as a formal SMPTE standard video format on April 3, 2006...
, or MPEG-2
MPEG-2
MPEG-2 is a standard for "the generic coding of moving pictures and associated audio information". It describes a combination of lossy video compression and lossy audio data compression methods which permit storage and transmission of movies using currently available storage media and transmission...
and audio encoded in AC-3
Dolby Digital
Dolby Digital is the name for audio compression technologies developed by Dolby Laboratories. It was originally called Dolby Stereo Digital until 1994. Except for Dolby TrueHD, the audio compression is lossy. The first use of Dolby Digital was to provide digital sound in cinemas from 35mm film prints...
, E-AC-3, Dolby TrueHD
Dolby TrueHD
Dolby TrueHD is an advanced lossless multi-channel audio codec developed by Dolby Laboratories which is intended primarily for high-definition home-entertainment equipment such as Blu-ray Disc and HD DVD. It is the successor to the AC-3 Dolby Digital surround sound codec which was used as the...
, DTS, DTS-HD, PCM, and MPEG-2
MPEG-2
MPEG-2 is a standard for "the generic coding of moving pictures and associated audio information". It describes a combination of lossy video compression and lossy audio data compression methods which permit storage and transmission of movies using currently available storage media and transmission...
.
There are a few consumer software solutions that can play EVO files - PowerDVD
PowerDVD
CyberLink PowerDVD is a media player for Microsoft Windows. Several editions of the software are sold including "Ultra", "Deluxe" and "Standard". All editions support the viewing of DVD and the Ultra edition supports Blu-ray playback, including the playback of Blu-ray 3D content.The product is...
, WinDVD
WinDVD
WinDVD is a commercial video player and music player software for Microsoft Windows. It enables the viewing of DVD-Video movies on the user's PC. DVD-Video backups stored on hard disk can also be played...
for Windows and FFmpeg
FFmpeg
FFmpeg is a free software project that produces libraries and programs for handling multimedia data. The most notable parts of FFmpeg are libavcodec, an audio/video codec library used by several other projects, libavformat, an audio/video container mux and demux library, and the ffmpeg command line...
for Linux (unprotected EVO only).
See also
- Container format (digital) definition and article
- Comparison of container formatsComparison of container formatsThis table compares features of container formats. To see which multimedia players support which container format, look at comparison of media players.-Information:-Audio formats supported:-Video formats supported:-Caption formats supported:...
- Comparison of container formats
- Comparison of (audio/video) container formatsComparison of container formatsThis table compares features of container formats. To see which multimedia players support which container format, look at comparison of media players.-Information:-Audio formats supported:-Video formats supported:-Caption formats supported:...
- List of multimedia (audio/video) codecs
- Open source codecs and containersOpen source codecs and containersThis is a listing of open-source implementations of media formats—usually called codecs. Many of the codecs listed implement media formats that are restricted by patents and are henceforth not open formats. For example, x264 is a widely used open source implementation of the heavily patent...
- Comparison of video codecsComparison of video codecsA video codec is software or a device that provides encoding and decoding which may or may not include the use of video compression and/or decompression for digital video....
- Comparison of audio codecsComparison of audio codecsThe following tables compare general and technical information for a variety of audio formats and audio compression formats. For listening tests comparing the perceived audio quality of audio formats and codecs, see the article Codec listening test....
- Open source codecs and containers