Dolby Pro Logic Surround
As one method of decoding Dolby Surround, Dolby Pro Logic Surround produces four channels from
DTS
Digital audio compression technology that the Digital Theater Systems, Inc. developed. This technology conforms to
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
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
Index (Super Audio CD/CD)/Video
Index (VIDEO CD)
A number that divides a track into sections to easily locate the point you want on an Super Audio CD/CD or VIDEO CD. Depending on the disc, no index may be recorded.
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 recorded 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 functions, you can enjoy playing simple interactive programmes, programmes with search functions, and so on.