Panasonic SCPTX7 Instructions d'exploitation télécharger pdf (Page 108)

RQT8927

108

Glossary

AAC (Advanced Audio Coding)

An audio compression method that compresses audio

to approximately 1/12 of its size with CD-level quality.

CPPM (Content Protection for Pre-recorded Media)

A copy protection system used for DVD-Audio files. This

unit supports CPPM.

Decoder

A decoder restores the coded audio signals on DVDs to

normal. This is called decoding.

DHCP (Dynamic Host Configuration Protocol)

Provides a mechanism for automatically assigning

network information such as the IP address or Subnet

mask sent by the router and so on to this unit.

DivX

DivX is a popular media technology created by DivX,

Inc. DivX media files contain highly compressed video

with high visual quality that maintains a relatively small

file size.

DNS Server

A server which acts like a telephone directory and

translates Internet domain names into IP addresses.

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 a process of remixing the multi-channel audio

(surround sound) on some discs into two channels.

When you want to listen to the audio on a DVD with a

5.1 channel digital surround track through your

television speakers, the down-mixed audio will be

output.

Some DVD-Audio prevent down-mixing of all or part of

their contents. When playing such discs, or such parts

of the disc, unless the number of connected speakers is

the same as the disc’s channel specification, audio will

not be output properly.

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 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.

Frame still and field 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 fields. A regular television

shows these fields 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 fields, so the

picture may appear blurred, but overall quality is high.

A field still is not blurred, but it has only half the

information of a frame still so picture quality is lower.

Gateway

IP address of the electronic device providing Internet

access. Usually called a router IP address. (e.g.,

192.168.0.1)

HDD (Hard disk drive)

This is a mass data storage device used in PC, etc. A

disk with a surface that has been treated with magnetic

fluid is spun and a magnetic head is brought in close

proximity to facilitate the reading and writing of large

amounts of data at high speed.

HDMI (High-Definition Multimedia Interface)

HDMI is a next-generation digital interface for consumer

electronic products. Unlike conventional connections, it

transmits uncompressed digital video and audio signals

on a single cable. This unit supports high-definition

video output (720p,1080i,1080p) from the HDMI AV

OUT terminal. To enjoy high-definition video, a high-

definition compatible television is required.

Hub

Used for connecting more than one device to the

network.

IP address

A set of numbers which distinguish each PC on the

network when, for example, connected to the Internet.

When using a PC in a LAN (➜ page 109) to access a

PC or device that is not included in the LAN, the IP

address is called the local IP address. (e.g.,

192.168.0.10)

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