Sony DAV-SC8: Glossary

Dolby Surround Pro Logic

Film based software, Video based

As one method of decoding Dolby Surround,

software

Dolby Surround Pro Logic produces four

DVDs can be classified as Film based or Video

channels from two-channel sound. Compared

based software. Film based DVDs contain the

with the former Dolby Surround system, Dolby

same images (24 frames per second) that are

Surround Pro Logic reproduces left-to-right

shown at movie theatres. Video based DVDs,

panning more naturally and localizes sounds

such as television dramas or sit-coms, displays

more precisely. To take full advantage of Dolby

images at 30 frames (or 60 fields) per second.

Surround Pro Logic, you should have one pair of

Multi-angle function

surround speakers and a centre speaker. The

Various angles of a scene, or viewpoints of the

surround speakers output monaural sound.

video camera are recorded on some DVDs.

DTS

Multilingual function

Digital audio compression technology

Several languages for the sound or subtitles in a

developed by Digital Theater Systems, Inc. This

picture are recorded on some DVDs.

technology conforms to 5.1-channel surround.

This format comprises of stereo rear channels

Parental Control

and a discrete subwoofer channel. DTS provides

A function of the DVD to limit playback of the

the same 5.1 discrete channels of high quality

disc by the age of the users according to the

Additional Information

digital audio. The good channel separation is

limitation level in each country. The limitation

realized due to all channel data being recorded

varies from disc to disc; when it is activated,

discretely and processed digitaly.

playback is completely prohibited, violent

scenes are skipped or replaced with other scenes

DVD

and so on.

A disc that contains up to 8 hours of moving

pictures even though its diameter is the same as

Playback Control (PBC)

a CD.

Signals encoded on VIDEO CDs (Version 2.0)

The data capacity of a single-layer and single-

to control playback.

sided DVD, at 4.7 GB (Giga Byte), is 7 times

By using menu screens recorded on VIDEO

that of a CD. Furthermore, the data capacity of a

CDs with PBC functions, you can enjoy playing

dual-layer and single-sided DVD is 8.5 GB, a

simple interactive programs, programs with

single-layer and double-sided DVD 9.4 GB, and

search functions, and so on.

a dual-layer and double-sided DVD 17 GB.

Region Code

The picture data uses the MPEG 2 format, one of

This system is used to protect copyrights. A

a worldwide standard of digital compression

region number is allocated on each DVD system

technology. The picture data is compressed to

or DVD disc according to the sales region. Each

about 1/40 of its original size. DVD also uses

region code is shown on the system as well as on

variable rate coding technology that processes

the disc packaging. The system can play the

allocated data according to the status of the

discs that match its region code. The system can

picture.

also play discs with the “ ” mark. Even when

ALL

The audio data is recorded in Dolby Digital as

the region code is not shown on the DVD, the

well as in PCM, allowing you to enjoy more

region limit may still be activated.

realistic audio presence.

Furthermore, various advanced functions such

Scene

as the multi-angle, multilingual, and Parental

On a VIDEO CD with PBC (playback control)

Control functions are provided with the DVD.

functions, the menu screens, moving pictures

and still pictures are divided into sections called

File

“scenes.”

Section of a picture on a data CD containing

JPEG image files.

continued

GB

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