Yamaha DVD S1800 Black: GLOSSARY

GLOSSARY: Yamaha DVD S1800 Black

GLOSSARY

GLOSSARY

Aspect ratio

Dolby Digital

Horizontal and vertical ratio of a displayed image. The

Digital surround sound system which is developed by

horizontal vs. vertical ratio of conventional TV is 4:3, and

Dolby Laboratories provides completely independent

that of wide-screens is 16:9.

multi-channel audio. With 3 front channels (left, center,

and right) and 2 surround stereo channels, Dolby Digital

provides five full-range audio channels. With an additional

Bit

channel especially for bass effects (called LFE, or low

Short for binary digit. Represents the smallest unit of

frequency effect), the system has a total of 5.1-channels

information manipulated on a computer. In audio systems,

(LFE is counted as 0.1 channel). By using 2-channel

the bit size determines resolution to digitize analog

stereo for the surround speakers, more accurate moving

signals.

sound effects and surround sound environment are

The larger the bit size, the larger the dynamic range (the

possible than with Dolby Surround.

ratio of maximum and minimum frequency level) and the

finer the sounds. Generally, an audio CD is 16 bit and

DVD audio is 24 bit.

DTS

Digital surround sound system developed by DTS, Inc.,

which provides 5.1 channel audio (max). With an

Bit rate

abundance of audio data, it is able to provide authentic-

The amount of data used to hold a given length of music;

sounding effects.

measured in kilobits per second, or kbps. Also, the speed

at which you record. Generally, the higher the bit rate, or

recording speed, the better the sound quality. However,

DVD-Audio

higher bit rates use more space on a disc.

It has developed for the sole purpose of creating high

quality pure sound with Linear PCM and Packed PCM

(lossless coding) in up to six audio-channels. Sampling

Component video jacks

frequencies of 192 kHz/24 bits are supported.

Jacks for inputting or outputting a component video

signal.Component video signal consists of three lines, the

luminance signal (Y) and two color difference signals (PB/

HDMI

CB, PR/CR), which enable to provide high-quality video.

HDMI (High-Definition Multimedia Interface) is the first

industry-supported, uncompressed, all-digital A/V (audio/

video) interface. Providing an interface between any A/V

DivX

®

®

source (such as a set-top box or AV receiver) and an audio/

DivX

is a popular media technology created by DivX,

inc. DivX

®

video monitor (such as a digital television – DTV), HDMI

media files contain highly compressed video

supports standard, enhanced or high-definition video as

with high visual quality that maintains a relatively small

well as multi-channel digital audio using a single cable.

file size. DivX

®

files can also include advanced media

HDMI transmits all ATSC (Advanced Television Systems

features like menus, subtitles, and alternate audio tracks.

Committee) HDTV standards and supports 8-channel

Many DivX

®

media files are available for download

digital audio, with bandwidth to spare to accommodate

online, and you can create your own using your personal

future enhancements and requirements.

content and easy-to-use tools from DivX.com.

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GLOSSARY

Interlace

Region code

English

The most common type of scanning used in televisions. It

Many DVD discs include a region code so that the

divides a screen into even and odd numbered fields for

copyright owner can control DVD software distribution

scanning, and then builds an image by combining them

only to regions where they are ready to distribute. There

into one image (frame).

are six regions codes, which restrict a DVD player to

playing a DVD disc with the same region code.

JPEG (Joint Photographic Expert Group)

A standardized image compression system proposed by

S-video jack

the Joint Photographic Expert Group. It can reduce image

A jack for inputting or outputting an S-video signal.

data sizes to 1 to 10% of their original sizes, and works on

S-video signal consists of two lines, the luminance signal

digital photographs effectively.

(Y) and color signal (C), which enable to provide high-

quality video during playback or recording.

MP3 (MPEG Audio Layer-3)

An audio file compression technology. It can reduce audio

Super Audio CD (SA-CD)

data sizes to about 10% of their original sizes while

Audio format based upon the current CD standards but

maintaining CD-level audio quality.

includes a greater amount of information that provides

higher quality sound. There are three types of discs: single

layer, dual layer and hybrid discs. The hybrid disc can be

MPEG (Moving Pictures Experts Group)

played on existing CD players as well as Super Audio CD

International standard for digital video and audio

players since it contains both standard audio CD and

compression generated by ISO (International Organization

Super Audio CD information.

for Standardization) and IEC (International

Electrotechnical Commission).

Super Audio CD Disc

Includes MPEG-1, MPEG-2, and MPEG-3. MPEG-1

Hybrid layer disc

offers VHS level video quality and is often used on video

Dual layer disc

Single layer disc

CDs. MPEG-2 offers S-VHS level video quality and is

often used on DVDs.

HD layer

HD layer CD layer

HD layer

Parental control

Limits Disc play according to the age of the users or the

limitation level in each country. The limitation varies from

Hybrid Super Audio CD Disc

disc to disc; when it is activated, playback will be

CD layer that plays on any

prohibited if the software’s level is higher than the user-set

1

CD player

level.

High Density layer containing:

2

- High Quality DSD Stereo

Playback control (PBC)

3

- High Quality DSD Multi-

An on-screen menu recorded on a Video CD or SVCD that

channel

enables interactive playback and searching.

Progressive Scan

A method of displaying all scanning lines in a frame at

once, reducing flicker noticeable on a larger screen and

creating a sharp and smooth image.

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