Yamaha DVD-S1800: GLOSSARY

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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