Panasonic DVDCP67 - DIG. VIDEO DISC PLAY Руководство по эксплуатации - Страница 21
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~~~~~~
iis is t
igital form of multiple channel audio data (e.g., 5.1 channel)
before it is decoded into its various channels.
A decoder restores the coded audio signals on DVDs to narmat. This is
called decoding.
~~~~~~
itas
This is a method al coding digital signals developed by Rolby Laboratories.
Apart from stereo (%-channel) audio, these signals can also be mutti-
channel audio. A large ~~IOLIII~ of audia information can be recorded on
one disc using this m&hod.
c
m where a 4-channel audio track is recorded as 2
channels and then is restored to 4 clhannels for play. The surround channel
is monaural and can reproduce up to 7 kHz.
nd system is used in many movie theaters around the world.
There is good separation between the channels, so realistic sound effects
are possible.
Dynamic range is "ihe difference between 2l18 lowest level of sound that can
be heard above ihe noise of the equipment and the highest level of sound
before distortion occurs.
DVD-Videos are recorded using either film or video. Usually, film is
recorded at 24 frames per second, the rate movies are filmed at, white
video is recorddod at 30 framas per second.
e ~~~~~~t~~ service-The
unit should be serviced by qualified
service personnel if:
(a) The AC powor supply cord or AC adaptor has been damaged; or
(b) Objects or liquids have gotten into the unit; or
(c) The unit has been exposed to rain; or
(cl) The unit does not operate normally or exhibits a marked change in
performance; or
(e) The unit has been dropped or the cabinet damaged.
2. ~~~~t~t~~--t~~) not attempt to service the unit beyond that described in
these operating instructions. Refer all other servicing to authorized
servicing personnel.
3. ~~~t~~e~~~~~ patio---When
parts need replacing Onsure the servicer
uses parts specified by 'the manufacturer or parts that have the same
characteristics as the original parts. Unauthorized substi"ruies may result
in fire, electric shock, or other hazards.
4. Sef&y ~~~o~"-~~or
repairs or service, ask the servicer to perform
safety checks to confirm that Itw unit is in propor working condition.
Frames are the still pictures that go together to make a moving pidure.
There are about 30 frames shown each
second.
One frame is made up of two fields. A regular television shows these fields
one after the other to create frames.
A stilt is shown when you pause a moving picture. A frame still is made up
of two alternatinq fields, so the picture may appear blurred, but overall
quality is high. A%eld still is not blurred, but it has only half the information
of a frame still so picture quality is lower.
ut
, has 480 interlaced
(i) scan tines,
whereas progressive scanning uses twice the number of scan lines. This is
called 460~. The video signals output from this unit's COMPONENT
VIDEO OUT terminals (Y, PO, Pn) allow you to enjoy higher quality pictures
than if the signals were output from the VIDEO OUT terminal or S VIDEO
OUT terminal.
2, the video compression
standard adopted for use with UVD-
Videa, codes frames using these 3 picture types.
8: lntra coded picture (l-picture)
This is the standard picture and is a complete picture in i'rself. This
means it has Ehe best picture quality and is the best to use when
adjusting the picture.
B: Predictive coded picture (P-picture)
This picture is calculated based on past I or P-pictures.
: ~idirec~ionally-predictive
coded picture (B-picture)
This picture is calculated
by
comparing past
and
future I
and
P-pictures
so it has the lowest volume of information.
Theso are uncompressed digital signals, similar to those found on CDs.
~~~~~~~~
~~~~~
B
If a Video CD has p
control, you can select scenes and information
with menus (called menu play in these instructions).
For product information or assistance with product operation:
In the
U.S.A.,
contact
the
Panasonic
Customer
Call Center
at
I-800-21 I-7262,
or e-mail cansumerproducts~panasonic.com,
or web
sile (h~~p://~w.panasoni~.com).
In Canada, contact Panasonic Canada Inc. Customer Care Centre at
l-800-561-5505,
web
site
(www.panasonic.ca),
or
an
authorized
Service&e
clasest to you.