Toshiba SD-170EKB Manual del usuario - Página 24

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Glossary

Analogue audio:

An electrical signal that directly

represents sound. In contrast,

digital audio can also 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

it is height. Conventional TVs are 4:3

(i.e., the screen is almost square).

Widescreen models are 16:9 (the

screen is almost twice as wide as its

height)

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.

AUDIO OUT jacks:

Jacks on the back of the DVD System

that send audio to another system (TV,

Stereo, etc.)

Bite rate:

The amount of data used to hold a

given length of music; measured in

kilobits per seconds, or kbps. Or, the

speed at which you record.Generally,

the higher the bite rate,or the higher the

recording speed, the better the sound

quality. However, higher bite rates use

more space on a disc.

Disc menu:

A screen display prepared for

allowing of selection of images, sound,

subtitle,multi-angles etc. recorded on

the DVD.

Digital audio:

An indirect representation of sound

using 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-analogue converter

generates an analogue signal based on

these numbers. See also

Sampling frequency and Analogue

audio.

Dolby

Digital:

A system developed by Dolby

Laboratories that compresses

digital sound. It works with stereo

(2ch) or multi-channel audio.

DTS

(Digital Theater System)

DTS is a Multi-channel surround

sound system, but it is different from

Dolby Digital. Both formats were

developed by Digital Theater

Systems, Inc.

JPEG:

(Joint Photographic Experts Group)

JPEG is a method of compressing

still image files. You can copy JPEG

files on CD-RW / R discs from a

computer and play back the files on

this unit.

Multichannel:

DVD is specified to have each sound

track constitute one sound field. Multi-

channel refers to a structure of sound

tracks having three or more channels.

Parental control:

A function of the DVD to limit playback

of the disc by the age of the users

according to the limitation level in each

country. The limitation varies from disc

to disc; when it is activated, playback

will be prohibited if the software's level

is higher than the user-set level.

PBC (Video CD only):

(Playback Control)

This function enables you to play

back interactive software using a

menu screen. See also Title.

Progressive scan:

It displays all the horizontal lines

of a picture at one time, as a signal

frame. This system can convert

the interlaced video from DVD into

progressive format for connection to

a progressive display. It dramatically

increases the vertical resolution.

PCM:

(Pulse Code Modulation)

PCM is a format that converts audio

into digital data. It is mainly used for

Audio CDs and DAT. This unit can

play back sounds as realistic as pos-

sible by converting even compressed

Dolby Digital and MPEG audio to

PCM.

Region code:

Regions associate discs and

players with particular areas of the

world. This unit will only play back

discs that have compatible region

codes. You can find the region code

of your unit by looking on the rear

panel. Some discs are compatible

with more than one region (or all

regions).

Sampling frequency:

The rate at which sound is

measured by a specified interval to

turn it into digital audio data. The

number of samples in one second is

defined as the sampling frequency.

The higher the rate is, the better the

possible sound quality.

Title:

(DVD)

A collection of chapters on a DVD.