Glossary - Sony DVP-S3000 Manual

Glossary
Bit rate
Value indicating the amount of video data compressed
in a DVD per second. The unit is Mbps (Mega bit per
second). 1 Mbps indicates that the data per second is
1,000,000 bits. The higher the bit rate is, the larger the
amount of data. However, this does not always mean
that you can get higher quality pictures.
Chapter
Sections of a picture or a music piece on a DVD that are
smaller than titles. A title is composed of several
chapters. Each chapter is assigned a chapter number
enabling you to locate the chapter you want.
Dolby Digital (AC-3)
Digital audio compression technology that the Dolby
Laboratories Corporation developed. This technology
conforms to 5.1-channel surround. When connecting a
component with a built-in Dolby Digital decoder, you
can enjoy more real audio presence.
DVD
A disc that contains up to 8 hoursof moving pictures
even though its diameter is the same as a CD.
The data capacity of a single-layer and single-sided
DVD, at 4.7 GB (Giga Byte), is 7 times that of a CD.
Furthermore, the data capacity of a dual-layer and
single-sided DVD is 8.5 GB, a single-layer and double-
sided DVD 9.4 GB, and a dual-layer and double-sided
DVD 17 GB.
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 (AC-3) 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.
Multi-angle function
Various angles, or viewpoints of the video camera, for
a scene are recorded on some DVDs.
Multilingual function
Several languages for the sound or sub-rifles in a
picture are recorded on some DVDs.
Parental Control
A function of the DVD fo_playback limiltation 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.
Title
The longest sections of a picture or a music piece on a
DVD; a movie, etc. for a picture piece on a video
software or an album, etc. for a music piece on an
audio software. Each title is assigned 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 CD 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 high-resolution still
pictures and enjoy PBC functions.
This player conforms to both versions.
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