Sony DAV-FC8 Operating Instructions Manual page 79

Dolby Surround Pro Logic
As one method of decoding Dolby Surround,
Dolby Surround Pro Logic produces four
channels fi'om two-channel sound. Compared
with lhe lbmaer Dolby Surround system, Dolby
Surround Pro Logic reproduces left-to-right
panning more naturally and localizes sounds
more precisely. To take full advantage of Dolby
Surround Pro Logic, you should have one pair of
surround speakers and a centre speaker. The
surround speakers output monaural sound.
DTS
Digital audio compression technology
developed by Digital Theater Systems, Inc. This
technology conforms m 5. I-channel surround.
This format comprises of stereo rear channels
and a discrete subwoofor channel. DTS provides
lhe same 5. I discrete channels of high quality
digital audio. The good channel separation is
realized due to all channel data being recorded
discretely and processed digitally.
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 single-layer and single-
sided DVD, 3t 4.7 GB (Giga Byte), is 7 times
lhat of a CD. Furlhermore, the data capacity of a
dual-layer and single-sided DVD is 8.5 GB, a
single-13yer and double-sidod DVD 9.4 GB, and
a dual-layer and double-sided DVD 17 GB.
The picture data uses 1be MPEG 2 format, one of
a worldwide standard of digital compression
technology. The picture data is compressed to
about 1/40 of its original size. DVD also uses
variable tale coding technology lhat processes
allocated data according to 1he status of lhe
picture.
The audio dala is recorded in Dolby Digital as
well as in PCM, allowing you 1o enjoy more
realistic audio presence.
Furthermore, various advanced functions such
as the multi-angle, multilingual, and Parental
Control fonctions are provided wi_h lhe DVD.
File
Section of a picture on a data CD containing
JPEG image files.
Film based software, Video based
software
DVDs can be classified as Film based or Video
based software. Film based DVDs contain the
same images (24 li'ames per second) that are
shown at movie theatres. Video based DVDs,
such as lelevision dramas or sit-corns, displays
images 3t 30 frames (or 60 fields) per second.
Interlace format
(Interlaced scanning)
The Interlace format is the NTSC standard
melhod lbr displaying TV images at 30 fr3mes
per second. Each frame is scanned twice -
abernately between the even numbered scanning
lines and then odd numbered scanning lines, 3t
60 times per secood.
Multi-angle function
Various angles of a scene, or viewpoints of the
video camera are recorded on some DVDs.
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o.
Multilingual function
Several languages for the sound or subtitles in a O
picture are recorded on some DVDs.
Parental Control
A function of |he DVD to limit playback of the
disc by the age of the users according to the
limitation level in each country. The limitation O
varies from disc to disc; when it is activalod,
playback is completely prohibited, violent
scenes are skipped or replaced wi_h other scenes
and so on.
Playback Control (PBC)
Signals encoded on VIDEO CDs (Version 2.0)
|o control playback.
By using menu screens recorded on VIDEO
CDs with PBC functions, you can enjoy playing
simple interactive programs, programs wi_h
search functions, and so on.
Progressive format
(sequential scanning)
in contrast to the Interlace lbrmat, 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, lext and
horizontal lines appear sharper. This tbnnat is
compatible with the 525 progressive format.
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