GLOSSARY
576i/576p
Indicates the number of scanning lines and scanning format of an image signal.
576i indicates 576 scanning lines with interlace format, and
576p indicates 576 scanning lines with progressive format.
Aspect ratio
Aspect ratio refers to the length to height ratio of TV screens. The ratio of a standard TV is 4:3, while the ratio of a high- definition or wide TV is 16:9. The letter box allows you to enjoy a picture with a wider perspective.
Bitstream
The digital form of
Chapter / Title
Chapter is the smallest division and title is the largest division on a DVD VIDEO. A chapter is a division of a title and similar to a track for Video CD or Audio CD.
Component video
Video 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 video
A single video signal commonly used in most consumer video products that contains all luminance, color, and synchronization information.
Dolby Digital®
A
Not all Dolby Digital discs contain six (5.1) channels of information.
DTS® (Digital Theater Systems)
DTS® stands for Digital Theater Systems. DTS® is a Digital Surround audio encoding format configured with six (5.1) channels, similar to Dolby Digital®. It requires a DTS® decoder, either in the player or in an external receiver to regenerate the sound. All processing is done in the digital domain.
Not all DTS discs contain six (5.1) channels of information.
DVD-R
DVD-RW
DVD+R
DVD+R is a recordable disc that is the same size as a DVD- Video. Contents can be recorded only once to a DVD+R,and will have the same format as a
DVD+RW
DVD+RW is a recordable and rewritable disc. DVD+RW use a recording format that is comparable to a
Interlace output
NTSC, the video signal standard, has 480 interlaced (I) scan lines, The Interlaced scanning system places lines of the second half of the picture
JPEG
A popular file format for still image compression and storage. JPEG stands for “Joint Photographic Experts Group”. There are two
•Baseline JPEG: used for digital cameras, the web, etc.
•Lossless JPEG: an old type, rarely used now.
Linear PCM audio
PCM 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.
MP3
MP3 (MPEG1 audio layer 3) is a compressed audio file format. Files are recognized by their file extension “.mp3” or “.MP3”.
MPEG
MPEG stands for “Motion Picture Experts Group”. This is an international standard for compression of moving images. On some DVDs, digital audio has been compressed and recorded in this format.
NTSC (National Television System Committee)
The initials stand for National Television Standards Committee. This is the committee that established the standards for television systems in the United States. The NTSC standard broadcasts 525 or 480 lines of resolution per second, and 30 frames per second of refresh rate, 60 Hz field frequency. NTSC TV system is widely used in USA, Canada, Latin America and Taiwan etc.
PAL (Phase Alternation by Line)
PAL (Phase Alteration Line) is the color television broadcast standard throughout the Western Europe (except in France, where SECAM is the standard), Australia, China, Singapore and Malaysia etc. It has 625 lines of vertical resolution per second and 25 frames per second refresh rate, 50 Hz field frequency.
PBC
Playback Control. A special feature on a Video CD or Super VCD that enables interactive use.
S-Video
A video signal which improves picture quality over standard composite connections. Used on Super VHS, DVD, high end TV monitors, etc.
Track
SVCD, VCD, Audio CD discs use tracks to divide up the content of a disc.
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