Additional information
A ratio which defines the shape of the rectangular picture in a TV. It is the width of the picture relative to the height. A conventional TV picture is 4:3 in aspect ratio.
Bit rateShows the number of digital information needed to play back sound for 1 second. The bit rate is expressed in bits per second.
BitstreamThe digital form of multichannel audio data (e.g.,
Chapter is the smallest division and title is the largest division on DVD VIDEO. A chapter is a division of a title and similar to a track for Video CD or Audio CD.
Component videoVideo signals with three channels of separate information that makes up the picture. There are some types of component video, such as R/G/B and Y/CB(PB)/CR(PR).
Composite videoA single video signal commonly used in most consumer video products that contains all luminance, color, and synchronization information.
Dolby Digital (AC3)A
Dolby Surround records four channels of front and rear audio in two channels in a way that allows a decoder to recover the original four channels for playback. Because the audio is recorded in two channels, it can be played back naturally by a
Dolby Pro Logic introduces directional circuits in
Internal stereo mix of multichannel surround audio by a DVD unit. The
A Digital Surround audio encoding format configured with six (5.1) channels, similar to Dolby Digital. It requires a decoder, either in the unit or in an external receiver. DTS stands for Digital Theater Systems.
Not all DTS discs contain six (5.1) channels of information.
Dynamic rangeThe difference between the loudest and softest sounds.
GroupThe largest division on DVD AUDIO.
Interlaced scanningIn a conventional video system, a picture is shown on the display monitor in between lines of two halves. The Interlaced scanning system places lines of the second half of the picture
A popular file format for still image compression and storage. JPEG stands for Joint Photographic Experts Group.
There are three
•baseline JPEG: used for digital cameras, the web, etc.
•progressive JPEG: used for the web
•lossless JPEG: an old type, rarely used now
Linear PCM audioPCM stands for “pulse code modulation.” Linear PCM is the usual method for digitally encoding audio without compression, and is used for the audio tracks on DVD VIDEO discs, Audio CDs, etc.
MLPMLP stands for “Meridian Lossless Packing.” A lossless audio compression system that can completely recreate the PCM signal.
MP3MP3 is an audio data compression format, which stands for
This feature expands the 5.1 channel audio format recorded on the disc to a 7.1 channel format. The further expansion of the 5.1 channel audio makes it easy for you to reproduce the movie theater experience in your own home.
NTSC (National television system committee)A black and white and color television system format used in the U.S.A., Canada, Mexico and Japan.
PAL (Phase Alternation by Line)A color television system format used extensively in Western Europe.
PBCPBC 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.
Progressive scanningProgressive scanning displays all the horizontal lines of a picture at one time, as a single frame. A progressive scanning DVD unit converts the interlaced video from DVD into progressive format for connection to a progressive display. It dramatically increases the vertical resolution.
Sampling frequencyThe rate at which measurements of an audio signal are taken during A/D and D/A conversion. The sampling frequency is expressed in samples per second.
A video signal which improves picture quality over standard composite connections. Used on Super VHS, DVD, high end TV monitors, etc.
TrackThe smallest division on SVCD, Video CD and Audio CD discs.
VR modeA recording mode which is applied when video signals are recorded onto a
WMA is an abbreviation of “Windows Media Audio,” and is an audio data compression format developed by Microsoft Corporation. Sound quality of data compressed using WMA is the same as that of MP3, though the WMA file size is smaller than that of MP3.
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