As one method of decoding Dolby Surround, Dolby Surround Pro Logic produces four channels from
Digital audio compression technology developed by Digital Theater Systems, Inc. This technology conforms to
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
a
The audio data is recorded in Dolby Digital as well as in PCM, allowing you to enjoy more realistic audio presence.
Furthermore, various advanced functions such as the
Section of a picture on a data CD containing JPEG image files.
DVDs can be classified as Film based or Video based software. Film based DVDs contain the same images (24 frames per second) that are shown at movie theatres. Video based DVDs, such as television dramas or
The Interlace format is the NTSC standard method for displaying TV images at 30 frames per second. Each frame is scanned twice - alternately between the even numbered scanning lines and then odd numbered scanning lines, at 60 times per second.
Various angles of a scene, or viewpoints of the video camera are recorded on some DVDs.
Multilingual functionSeveral languages for the sound or subtitles in a picture are recorded on some DVDs.
Parental ControlA 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 programs, programs with search functions, and so on.
Progressive format (sequential scanning)In contrast to the Interlace format, the progressive format can reproduce 60 frames per second by reproducing all scanning lines (525 lines for the NTSC system). The overall picture quality increases and still images, text and horizontal lines appear sharper. This format is compatible with the 525 progressive format.
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