Bedienungsanleitung Panasonic DMPBD10A (Seite 30 von 32) (Englisch)

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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. Depending on the BD-J application,

you can enjoy various interactive features in addition to playing

normal video.

Bitstream

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

before it is decoded into its various channels.

CPPM (Content Protection for Prerecorded 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.

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.

Dolby Digital Plus

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

Dolby Digital Plus. Previous Dolby Digital-compatible equipment can

play Dolby Digital Plus as Dolby Digital surround audio. 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. Previous Dolby Digital-compatible equipment

can play Dolby TrueHD as Dolby Digital surround 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 two channels. It is useful when you want to listen to

the 5.1-channel audio recorded on DVDs through your television’s

speakers. Some discs prohibit down-mixing and this unit can then

only output the front two channels.

[DVD-A] Tracks that do not allow down-mixing will not play correctly

on this unit except when connecting with an HDMI cable to an

amplifier/receiver that meets HDMI standards (ver. 1.1 or later) and

is CPPM compatible.

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

theatres. 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 is 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.

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

record or edit.

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.

HDCP (High-Bandwidth Digital Content Protection)

HDCP is a type of digital rights management developed for use with

HDMI connections, etc. HDCP was developed to protect digital

content and prevent unsecured transmissions by using a variety of

methods such as encryption and authentication.

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. This unit supports high-

definition video output [720p (750p), 1080i (1125i), 1080p (1125p)]

from HDMI AV OUT terminals. To enjoy high-definition video a high

definition compatible television is required.

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

benefit of JPEG is less deterioration in picture quality considering

the degree of compression.

LPCM (Linear PCM)

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 considerable loss of

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

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.

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.

1080i (1125i)

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

every 1/60

of a second to create an interlace 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.

1080p (1125p)

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

same time every 1/60

of a second to create a progressive image.

Since progressive video does not alternate scan lines like interlace,

there is a minimal amount of screen flicker.

720p (750p)

In one high definition image, 720 (750) scan lines pass at the same

time every 1/60

of a second to create a progressive image. Since

progressive video does not alternate scan lines like interlace, there

is a minimal amount of screen flicker.

Frame Field Field

Reference 11 Glossary

DMP-BD10A.book Page 30 Thursday, March 15, 2007 7:45 PM

Panasonic DMPBD10A Seite 30

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