Additional information
Letter box
A type of picture playback with the normal (4:3) TV screen. Black bars are shown at the top and bottom of the image to allow playing of
Linear PCM audio
Stands for "pulse code modulation". Linear PCM is the usual digital method without compression, used for audio playback of DVD Video discs, Audio CD discs, etc.
Menu
Most DVD VIDEO or Video CD/SVCD discs provide a menu, through which users can select a desired playback material, condition, etc.
MP3
MP3 is an audio data reduction format, which stands for
MPEG
Afamily of Standards for compressing
Multisession
Amethod of adding data to a
NTSC (National television system committee)
A black & white and color television system format used in U.S.A., Canada, Mexico and Japan.
Packet Writing
Amethod of writing data on a
increments. Packets can be of fixed or variable length.
PAL (Phase Alternation by Line)
A color television system format used extensively in Western Europe.
Progressive scan
Progressive scan displays all the horizontal lines of a picture at one time, as a single frame. A progressive- scan DVD player converts the interlaced (480i) video from DVD into progressive (480p) format for connection to a progressive display. It dramatically increases the vertical resolution.
Region code
Code identifying a geographic region of compatibility for a DVD.
Sampling frequency
The rate at which measurements of an audio signal are taken during A/D and D/A conversion. The measure is samples per second.
Surround
An audio system with more than two (left and right) channels, usually including rear channels, etc.
S-video
A video signal which improves picture quality over standard composite connections. Used on Super VHS, DVD, high end TV monitors, etc.
Title
The largest division on DVD VIDEO.
Track
The smallest division on Audio CD, Video CD and SVCD discs.
Transfer rate
The rate of transferring digital data. Usually the measure is in baud per second. The DVD system applies variable transfer rate system for high efficiency.
English
Pan scan
A type of picture playback with the normal (4:3) TV screen, which is panned and zoomed across the wider movie picture, chopping off the left and right sides.
Parental lock
A DVD function that prevents undesired viewing by children depending on disc contents. You need a password to play back a locked disc in the normal condition. Otherwise, undesirable scenes are automatically skipped or replaced with other pictures.
PBC
PBC stands for "Playback control" and is a method of controlling disc play for Video CDs (VCD). You are able to interact with the disc through menus.
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