Bedienungsanleitung Panasonic sc rt 70 (Seite 65 von 68) (Englisch)

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RQT8672

Glossary

Component video output

Component signal outputs the colour difference signals (PB/

R) and luminance signal (Y) separately in order to achieve

high fidelity in reproducing colours. If the television is

compatible with progressive output, a high quality picture can

be output because this unit's component video output

terminal outputs a progressive output signal.

CPRM (Content Protection for Recordable Media)

CPRM is technology used to protect broadcasts that are

allowed to be recorded only once. Such broadcasts can be

recorded only with CPRM compatible recorders and discs.

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.

Down-mixing

This is the process of remixing the multi-channel audio found

of some discs into two-channel output.

Some multi-channel DVD-Audio will prevent down-mixing of

all or part of their contents if this is the manufacturer’s

intention.

This unit cannot down-mix these types of discs. (When the

disc is automatically down-mixed, audio will not be output

correctly when using headphones, etc. Audio is output only

with the front two channels, etc.)

DTS (Digital Theater Systems)

This surround system is used in many movie theaters. 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.

Dynamic range compression means reducing the gap

between the loudest and softest sounds. This means you

can listen at low volumes but still hear dialogue clearly.

Film and video

DVD-Videos are recorded using either film or video. This unit

can determine which type has been used, then uses the

most suitable method of progressive output.

Film:

Recorded at 25 frames per second (PAL discs) or 24 frames

per second (NTSC discs). (NTSC discs recorded at 30

frames per second as well.) Generally appropriate for motion

picture films.

Video:

Recorded at 25 frames/50 fields per second (PAL discs) or

30 frames/60 fields per second (NTSC discs). Generally

appropriate for TV drama programmes or animation.

Finalize

A process that makes play of a recorded CD-R, CD-RW,

DVD-R, etc. possible on equipment that can play such

media. You can finalize DVD-R, DVD-R DL, DVD-RW (DVD-

Video format), +R or +R DL on this unit.

After finalizing, the disc becomes play-only and you can no

longer record or edit. However, finalized DVD-RW can be

formatted to become recordable.

Formatting

Formatting is the process of making media such as DVD-

RAM recordable on recording equipment.

You can format DVD-RAM, DVD-RW (only as DVD-Video

format), +R, +R DL or +RW on this unit.

When you use a new DVD-RW, +R, +R DL or +RW, it must

be formatted.

Formatting deletes irrevocably all contents.

Frames and fields

Frames refer to the single images that constitute the video

you see on your television. Each frame consists of two fields.

≥A frame still shows two fields, so there may be some

blurring, but picture quality is generally better.

≥A field still shows less picture information so it may be

rougher, but there is no blurring.

JPEG (Joint Photographic Experts Group)

This is a system used for compressing/decoding colour still

pictures. If you select JPEG as the storage system on digital

cameras etc., the data will be compressed to 1/10–1/100 of

its original size. The feature of JPEG is less deterioration in

picture quality considering the degree of compression.

MP3 (MPEG Audio Layer 3)

An audio compression method that compresses audio to

approximately one tenth of its size without any considerable

loss of audio quality. You can play MP3 you have recorded onto

DVD-R, CD-R and CD-RW.

Pan&Scan/Letterbox

In general, DVD-Video are produced with the intention that

they be viewed on a widescreen television (16:9 aspect

ratio), so images often don’t fit regular (4:3 aspect ratio)

televisions. Two styles of picture, “Pan & Scan” and

“Letterbox”, deal with this problem.

Pan & Scan:The sides are cut off so the

picture fills the screen.

Letterbox: Black bands appear at the top

and bottom of the picture so the

picture itself appears in an aspect

ratio of 16:9.

Playback control (PBC)

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

and information with menus.

(This unit is compatible with version 2.0 and 1.1.)

Progressive/Interlace

The PAL video signal standard has 625 (or 576) interlaced (i)

scan lines, whereas progressive scanning, called 625p (or

576p), uses twice the number of scan lines. For the NTSC

standard, these are called 525i (or 480i) and 525p (or 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.

Panasonic televisions with 625 (576)/50i · 50p, 525 (480)/

60i · 60p input terminals are progressive compatible.

Protection

You can prevent accidental deletion by setting writing

protection or deletion protection.

RGB

This refers to the three primary colours of light, red (R),

green (G), and blue (B) and also the method of producing

video that uses them. By dividing the video signal into the

three colours for transmission, noise is reduced for even

higher quality images.

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.

Thumbnail

This refers to a miniature representation of a picture used to

display multiple pictures in the form of a list.

TIFF (Tag Image File Format)

This is a system used for compressing/decoding colour still

pictures. A common format for storing high quality images on

digital cameras and other devices.

Frame Field Field

Troubleshooting guide / Disc handling / Unit care / Glossary

RT70-30.book Page 65 Thursday, April 13, 2006 1:45 PM

Panasonic sc rt 70 Seite 65

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