Panasonic SC-VK960 User Manual download pdf (Page 34)

RQTV0239

LANG - 5 LANG - 4 FRANÇAIS DANSK ENGLISH

Decoder

A decoder restores the coded audio signals on DVDs to

normal. This is called decoding.

DivX

DivX is a popular media technology created by DivX, Inc.

DivX media ﬁ les contain highly compressed video with high

visual quality that maintains a relatively small ﬁ le size.

Dolby Digital

This is a method of coding digital signals developed by

Dolby Laboratories. Apart from stereo (2-channel) audio,

these signals can also be multi-channel audio. A large

amount of audio information can be recorded on one disc

using this method.

DTS (Digital Theater Systems)

This surround 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

Dynamic range is the difference between the lowest level of

sound that can be heard above the noise of the equipment

and the highest level of sound before distortion occurs.

Film and video

DVD-Videos are recorded using either ﬁ lm or video. This

unit can determine which type has been used, then uses

the most suitable method of progressive output.

For NTSC

Film is 24 or 30 frames per second, with motion picture ﬁ lm

generally being 24 frames per second. Video is 60 ﬁ elds

per second (two ﬁ elds making up one frame).

For PAL

Film is 25 frames per second. Video is 50 ﬁ elds per second

(two ﬁ elds making up one frame).

Frame still and ﬁ eld still

Frames are the still pictures that go together to make a

moving picture.

There are about 30 frames shown each second.

One frame is made up of two ﬁ elds. A regular television

shows these ﬁ elds one after the other to create frames.

A still is shown when you pause a moving picture. A frame

still is made up of two alternating ﬁ elds, so the picture may

appear blurred, but overall quality is high.

A ﬁ eld still is not blurred, but it has only half the information

of a frame still so picture quality is lower.

Progressive/Interlace

The PAL video signal standard has 576 interlaced (i) scan

lines, whereas progressive scanning, called 576p, uses

twice the number of scan lines. For the NTSC standard,

these are called 480i and 480p respectively.

Using progressive output, you can enjoy the high-resolution

video recorded on media such as DVD-Video.

Your television must be compatible to enjoy progressive

video.

MPEG4

A compression system for use on mobile devices or a

network, that allows highly efﬁ cient recording at a low bit

rate.

I/P/B

I: Intra coded picture

This picture has the best quality and is the best to use

when adjusting the picture.

P: Predictive coded picture

This picture is calculated based on past I or P-pictures.

B: Bidirectionally-predictive coded picture

This picture is calculated by comparing past and future I

and P-pictures so it has the lowest volume of information.

Linear PCM (Pulse Code Modulation)

These are uncompressed digital signals, similar to those

found on CDs.

Playback control (PBC)

If a Video CD has playback control, you can select scenes

and information with menus.

Sampling frequency

Sampling is the process of converting the heights of sound

wave (analog signal) samples taken at set periods into

digits (digital encoding).

Sampling frequency is the number of samples taken per

second, so larger numbers mean more faithful reproduction

of the original sound.

Glossary

Maintenance

If the surfaces are dirty

To clean this unit, wipe with a soft, dry cloth.

• Never use alcohol, paint thinner or benzine to clean this unit.

• Before using chemically treated cloth, read the instructions that came with the cloth carefully.

For a cleaner crisper sound (cassette deck)

Clean the heads regularly to assure good quality playback and recording. Use a cleaning tape (not included).

When moving the unit

Remove all discs.

Press [ /I] to turn the unit off.

Disconnect the AC power supply cord.

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Panasonic SC-VK960 User Manual Page 34

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