Glossary
DVD
A disc that contains up to 8 hours of moving pictures even though its diameter is the same as a CD.
The data capacity of a
Furthermore, the data capacity of a
The picture data uses the MPEG 2 format, one of the worldwide standards of digital compression technology.
The picture data is compressed to about 1/40 of its original size. The DVD also uses the variable rate coding technology that changes the data to be allocated according to the status of the picture.
The audio data is recorded in Dolby Digital as well as in PCM, allowing you to enjoy more real audio presence.
Furthermore, various advanced functions such as the multi- angle, multilingual, and Parental Control functions are provided with the DVD.
Various angles, or viewpoints of the video camera, for a scene are recorded on some DVDs
Multilingual function
Several languages for the sound or subtitles in a picture are re- corded on some DVDs.
Parental Control
A function of the DVD to limit playback of the disc by the age of the users according to the limitation level in each country. The limitation varies from disc to disc; when it is activated, playback is completely prohibited, violent scenes are skipped or replaced with other scenes and so on.
Playback Control (PBC)
Signals encoded on Video CDs (Version 2.0) to control playback. By using menu screens recorded on Video CDs with PBC func- tions, you can enjoy playing simple interactive programs, pro- grams with search functions, and so on.
Title
The longest sections of a picture or a music piece on a DVD; a movie, etc., for a picture piece on video software; or an album, etc., for a music piece on an audio software. Each title is as- signed a title number enabling you to locate the title you want.
Track
Sections of a picture or a music piece on a CD or Video CD. Each track is assigned a track number enabling you to locate the track you want.
Video CD
A compact disc that contains moving pictures.
The picture data uses the MPEG 1 format, one of the worldwide standards of digital compression technology.
The picture data is compressed to about 1/140 of its original size. Consequently, a 12 cm Video Disc can contain up to 74 minutes of moving pictures.
Video CDs also contain compact audio data. Sounds outside the range of human hearing are compressed while the sounds we can hear are not compressed. Video CDs can hold 6 times the audio information of conventional audio CDs.
There are 2 versions of Video CDs.
•Version 1.1: You can play only moving pictures and sounds.
•Version 2.0: You can play
This system conforms to both versions.
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