What are the features of DVD-Video?

Jan 03rd, 2010 by dvdxplayer 1,425 views |Comments Off

* Over 2 hours of high-quality digital video (a double-sided, dual-layer disc can hold about 8 hours of high-quality video, or 30 hours of VHS quality video).
* 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, commentaries, etc.), 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).
* On-screen 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 (no “be kind, rewind” stickers and threats on rental discs)
* Instant search to title, chapter, music track, and timecode.
* Durable (no wear from playing, only from physical damage).
* Not susceptible to magnetic fields. Resistant to heat.
* Compact size (easy to handle, store, and ship; players can be portable; replication is cheaper than tapes or laserdiscs).
* Noncomedogenic.

Note: Most discs do not contain all features (multiple audio/subtitle tracks, seamless branching, parental control, etc.), as each feature must be specially authored. Some discs may not allow searching or skipping.

Most DVD player softwares support a standard set of features:

* Language choice (for automatic selection of video scenes, audio tracks, subtitle tracks, and menus).*
* Special effects playback: freeze, step, slow, fast, and scan.
* Parental lock (for denying playback of discs or scenes with objectionable material).*
* Programmability (playback of selected sections in a desired sequence).
* Random play and repeat play.
* Digital audio output (PCM stereo and Dolby Digital).
* Recognition and output of DTS Digital Surround audio tracks.
* Playback of audio CDs.

* Must be supported by additional content on the disc.

Some players include additional features:

* Component video output (YUV or RGB) for higher quality picture.
* Progressive-scan component output (YUV or RGB) for highest quality analog picture.
* Digital video output (SDI, 1394, or DVI/HDMI) for perfect digital picture.
* Six-channel analog output from internal audio decoder (Dolby Digital, DTS, or MLP).
* Playback of Video CDs or Super Video CDs.
* Playback of MP3 CDs.
* Playback of MP3 DVDs.
* Playback of video files in other formats such as DivX and MPEG-4.
* Playback of Picture CDs and Photo CDs.
* Playback of laserdiscs and CDVs.
* Reverse single frame stepping.
* Reverse play (normal speed).
* RF output (for TVs with no direct video input).
* Multilingual on-screen display.
* Multiple disc capacity.
* Digital zoom (2x or 4x enlargement of a section of the picture). This is a player feature, not a DVD disc feature.

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