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The main features of DVD include:
-  Over 2 hours of high-quality digital video (over 8 on a
double-sided, dual-layer disc).
-  Support for widescreen movies on standard or widescreen TVs
(4:3 and 16:9 aspect ratios).
-  Up to 8 tracks of digital audio (for multiple languages),
each with as many as 8 channels.
-  Up to 32 subtitle/karaoke tracks.
-  Automatic seamless branching of video (for multiple
story lines or ratings on one disc).
-  Up to 9 camera angles (different viewpoints can be selected
during playback).
-  Menus and simple interactive features (for games, quizzes,
etc.).
-  Multilingual identifying text for title name, album name,
song name, cast, crew, etc.
-  Instant rewind and fast forward, including search to
title, chapter, track, and timecode.
-  Durability (no wear from playing, only from physical damage).
-  Not susceptible to magnetic fields. Resistant to heat.
-  Compact size (easy to handle and store, players can be
portable, replication is cheaper). 
                 
Note: Most discs do not contain all features (multiple audio/subtitle tracks, seamless branching, parental control, etc.).
             Some discs may not allow searching or skipping.
Most players support a standard set of features:
-  Language choice (for automatic selection of video scenes, audio tracks, subtitle
tracks, and
                    menus) which must be supported by additional content on the disc. Some
players include additional features:
-  Special effects playback: freeze, step, slow, fast, and scan (no
reverse play or reverse step).
-  Parental lock (for denying playback of discs or scenes with
objectionable material) which again must be supported by additional content on the disc.
Some players include additional features
-  Programmability (playback of selected sections in a desired
sequence).
-  Random play and repeat play.
-  Digital audio output (PCM stereo and Dolby-Digital).
-  Compatibility with audio CDs.
-  Component (YUV or RGB) output for highest-quality picture.
-  Compatibility with Video CDs.
-  Six-channel analog output from internal audio decoder.
-  Compatibility with laserdiscs and CDVs.
-  Reverse single frame stepping.
-  RF output (for TVs with no direct video input).
-  Multilingual on-screen display.
 
 
 
 
 
   
 Next: Quality of DVD-Video
 Up: DVD
 Previous: DVD
Dave Marshall
10/4/2001