LiteOn lvw-5115ghc+ 用户指南

NTSC, the video signal standard, has 480 interlaced 

(I) scan lines, The Interlaced scanning system  

places lines of the second half of the picture 

in-between lines of the first half of the picture.

A popular file format for still image compression 

and storage. JPEG stands for ‘Joint Photographic 

Experts Group’ There are two sub-types of the 

JPEG format as follows.

Baseline JPEG: used for digital cameras, the web, 

etc. 

Lossless JPEG: an old type, rarely used now.

PCM stands for ‘Pulse Code Modulation’. Linear 

PCM is the usual method for digitally encoding 

audio without compression, and is used for the 

audio tracks on DVD VIDEO discs, Audio CDs, 

etc.

MP3 (MPEG1 audio layer 3) is a compressed 

audio file format. Files are recognized by their file 

extension .mp3 or .MP3.

MPEG stands for ‘Motion Picture Experts Group’.

This is an international standard for compression of 

moving images. On some DVDs, digital audio has 

been compressed and recorded in this format.

The initials stand for National Television Standards 

Committee. This is the committee that established 

the standards for television systems in the United 

States. The NTSC standard broadcasts 525 or 480 

lines of resolution per second, and 30 frames per 

second of refresh rate, 60 Hz field frequency. NTSC 

TV system is widely used in USA, Canada, Latin 

America and Taiwan etc.

PAL (Phase Alteration Line) is the color television 

broadcast standard throughout the Western Europe 

(except in France, where SECAM is the standard), 

Australia, China, Singapore and Malaysia etc. 

It has 625 lines of vertical resolution per second 

and 25 frames per second refresh rate, 50 Hz field 

frequency.

Playback Control. A special feature on a Video CD 

or Super VCD that enables interactive use.

A video signal which improves picture quality over 

standard composite connections. Used on Super 

VHS, DVD, high end TV monitors, etc.

SVCD, VCD, Audio CD discs use tracks to divide 

up the content of a disc.

WMA stands for ‘Windows Media Audio’, an audio 

codec standard proposed by Microsoft. Music/au-

dio files which are compressed using this standard 

come with the file extention, .wma or .WMA.