Pioneer DVR-320-S Manuel d'utilisateur télécharger pdf (Page 96)

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Additional information

Glossary

Analog audio

An electrical signal that directly represents sound.

Compare this to digital audio which can be an electrical

signal, but is an indirect representation of sound. See

also

Digital audio

Aspect ratio

The width of a TV screen relative to its height.

Conventional TVs are 4:3 (in other words, the screen is

almost square); widescreen models are 16:9 (the screen

is almost twice as wide as it is high).

Chapter

Just as a book is split up into several chapters, a title on

a DVD disc is usually divided into chapters. See also

Title

Digital audio

An indirect representation of sound by numbers. During

recording, the sound is measured at discrete intervals

(44,100 times a second for CD audio) by an analog-to-

digital converter, generating a stream of numbers. On

playback, a digital-to-analog converter generates an

analog signal based on these numbers. See also

Sampling frequency

and

Analog audio

Dolby Digital

With multichannel audio, this high quality surround

system is used in many movie theaters around the world.

Manufactured under licence from Dolby Laboratories.

“Dolby” and the double-D symbol are trademarks of Dolby

Laboratories.

DRM (Digital Rights Management)

DRM (Digital Rights Management) copy protection is a

technology designed to prevent unauthorized copying by

restricting playback, etc. of material on devices other the

PC (or other WMA recording equipment) used to record

it. For detailed information, please see the instruction

manuals or help files that came with your PC (or other

WMA recording equipment) and/or software.

DTS

DTS stands for Digital Theater System. DTS is a surround

system different from Dolby Digital that has become a

popular surround sound format for movies.

“DTS” and “DTS Digital Out” are registered trademarks of

Digital Theater Systems, Inc.

Dynamic range

The difference between the quietest and loudest sounds

possible in an audio signal (without distorting or getting

lost in noise). Dolby Digital and DTS soundtracks are

capable of a wide dynamic range, delivering dramatic

cinema-like effects.

EXIF (Exchangeable Image File)

A file format developed by Fuji Photo Film for digital still

cameras. Digital cameras from various manufacturers

use this compressed file format which carries date, time

and thumbnail information, as well as the picture data.

File extension

A tag added to the end of a filename to indicate the type

of file. For example, “.mp3” indicates an MP3 file.

ISO 9660 format

International standard for the volume and file structure of

CD-ROM discs.

JPEG

A file format used for still images, such as photographs

and illustrations. JPEG files are identified by the file

extension “.jpg” or “.JPG”. Most digital cameras use this

format.

MP3

MP3 (MPEG1 audio layer 3) is a compressed audio file

format. Files are recognized by their file extension “.mp3”

or “.MP3”.

MPEG audio

An audio format used on Video CDs and some DVD

discs. This unit can convert MPEG audio to PCM format

for wider compatibility with digital recorders and AV

amp/receivers. See also

PCM

MPEG video

The video format used for Video CDs and DVDs. Video CD

uses the older MPEG-1 standard, while DVD uses the

newer and much better quality MPEG-2 standard.

Optical digital output

A jack that outputs digital audio in the form of light

pulses. Connect components with optical digital jacks

using a special optical cord, available from specialist

audio dealers.

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