Bose Lifestyle Music Center Руководство по эксплуатации - Страница 7

Dolby Digital 3/2.1 - A more technical representation of Dolby Digital 5.1 sound. The "3" rep-

resents the 3 front channels, and the "2.1" represents the 2 surround channels including a

LFE (low-frequency

effects) channel.

DVD - An acronym that is most commonly know to mean Digital Video Disc or Digital Versa-

tile Disc. The audio/video/data

storage system based on 12- and 8-cm optical discs.

DVD Video - A standard for storing and reproducing audio and video on DVD-ROM discs,

based on MPEG video, Dolby Digital and MPEG audio, and other proprietary data formats.

IR - An acronym for infrared. Pertains to the type of remote that sends/receives

commands

on an infrared light beam.

Letterbox

- The projected aspect ratio of feature films is often wider than 525 or 625 line

video formats. It is becoming common practice to transfer films to video with black borders at

the top and bottom of the picture. The film picture becomes a "letterbox" within the video.

MP3 - MPEG-1 Layer I11 audio. This is a compressed audio format that allows you to record

many hours of music on a single CD.

NTSC - An acronym for National Television System Committee. The organization that devel-

oped both the American Black & White and Color television system.

PAL - An acronym for Phase Alternate Line. This is one of several composite video systems.

The PAL format is used extensively in Western Europe.

PCM - An uncompressed,

digitally coded representation

of an analog signal. This is the form

of the digital audio signal used for both CD and laserdisc. It is a serial data stream that is

coded for transmission or recording. PCM is also used for many other types of serial data

communications.

S-video - A video interface standard that carries separate luminance and chrominance sig-

nals, usually on a four-pin mini-DIN connector. Also called Y/C. The quality of S-video is sig-

nificantly better than composite video since it does not require a comb filter to separate the

signals. Most high-end televisions have S-video inputs.

YPbPr - A component

analog video signal containing one luminance and two chrominance

components.

Often referred to loosely as YUV or Y, B-Y, R-Y.