Bedienungsanleitung Panasonic DMP-BD50 (Seite 40 von 41) (Englisch)

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RQT9184

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Glossary

AVCHD

AVCHD is a new format (standard) for high definition video cameras

that can be used to record and play high-resolution HD images.

BD-J

Some BD-Video discs contain Java applications, and these

applications are called BD-J. You can enjoy various interactive

features in addition to playing normal video.

BD-Live

This is a BD-Video (BD-ROM version 2 Profile 2) that supports the

new functions such as Internet connection, etc. in addition to the

BONUSVIEW function.

Bitstream

This is the digital form of multi-channel audio data (e.g., 5.1 channel)

before it is decoded into its various channels.

BONUSVIEW (Final Standard Profile)

This is a BD-Video (BD-ROM version 2 Profile 1 version 1.1) that

supports the new functions such as Picture-in-picture, Secondary

Audio, and Virtual Package, etc.

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.

Dolby Digital Plus

Multi-channel audio and higher audio quality is made possible using

Dolby Digital Plus. BD-Video supports up to 7.1 channel output.

Dolby TrueHD

Dolby TrueHD is a very high quality audio format that reproduces the

studio master audio. BD-Video supports up to 7.1 channel output.

Down-mixing

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

some discs into fewer channels.

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.

DTS-HD

DTS-HD is a high-quality, sophisticated audio format used in movie

theaters. Previous DTS Digital Surround-compatible equipment can

play DTS-HD as DTS Digital Surround audio. BD-Video supports up

to 7.1 channel output.

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 dialog clearly.

Film and video

DVD-Video 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 24 frames per second. (Recorded at 30

frames per second as well). Generally appropriate for

motion picture films.

Video: Recorded at 30 frames/60 fields per second. Generally

appropriate for TV drama programs or animation.

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.

Gateway

IP address of the electronic device providing Internet access.

Usually called a router IP address. (e.g., 192.168.0.1)

HDMI (High-Definition Multimedia Interface)

HDMI is a digital interface for consumer electronic products. Unlike

conventional connections, it transmits uncompressed digital video

and audio signals on a single cable.

Hub

Used for connecting more than one device to the network.

IP address

A set of numbers which distinguish each device on the network

when, for example, connected to the Internet. When using a PC in a

LAN 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)

JPEG (Joint Photographic Experts Group)

This is a system used for compressing/decoding color 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

benefit of JPEG is less deterioration in picture quality considering

the degree of compression.

LAN (Local Area Network)

A group of linked devices in a company, school or home.

Indicates the boundaries of a particular network.

Local storage

This storage area is used as a destination for sub contents for

playing virtual packages on BD-Video.

LPCM (Linear PCM)

These are a kind of PCM format.

These are uncompressed digital signals, similar to those found on

CDs.

MP3 (MPEG Audio Layer 3)

An audio compression method that compresses audio to

approximately one tenth of its size without any significant loss of

audio quality.

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.

PCM (Pulse Code Modulation)

This is one format for converting analog audio into digital audio,

enabling you to enjoy digital audio with no hassle.

Picture-in-picture

This is a new function of BD-Video that plays the primary video and

secondary video simultaneously. For instance, the function is

capable of playing the original movie as the primary video while

playing video commentary from the film director on a small screen

as a secondary video.

Progressive/Interlace

The video signal standard of NTSC has 480 interlaced (i) scan lines,

whereas progressive (p) scanning uses twice the number of scan

lines, and this is referred to as 480p. Using progressive output, you

can enjoy watching high resolution video.

Router

Distinguishes the IP address assigned to each device, such as the

PC, and relays the flow of data within the network.

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.

Subnet mask

Enables efficient network use. A set of numbers which identify which

part of the IP address allocated to every device connected to the

router is the network portion.

Virtual package

Some BD-Video discs copy data to other media (local storage) and

then play the secondary video, secondary audio, and subtitles (sub

contents) simultaneously.

These functions are called virtual packages.

Sub contents are automatically recorded to other media from the

Internet or disc prior to playing the virtual package. The playback

methods vary depending on discs.

1080i (1125i)

In one high definition image, 1080 (1125) alternating scan lines pass

to create an interlaced image. Because 1080i (1125i) more than

doubles current television broadcasts of 480i, the detail is much

clearer and creates a more realistic and rich image.

Frame Field Field

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