LiteOn dd-a100x 用户指南

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 Alternation by Line)

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.
PBC

Playback Control. A special feature on a Video CD or 

Super VCD that enables interactive use.
Progressive Scan

‘Progressive Scan’ mode differs from the ‘Interlaced Scan’ 

mode in how a video image is updated. In ‘Progressive 

Scan’ mode, scan lines for an image are refreshed in every 

pass and by a sequential order. In the ‘Interlaced Scan’ 

mode, image is updated by alternating sets of odd and 

even scan lines.
Progressive Scan Mode

Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7

etc

Interlaced Scan Mode

A video signal which improves picture quality over 

standard composite connections. Used on Super VHS, 

DVD, high end TV monitors, etc.
Track

SVCD, VCD, Audio CD discs use tracks to divide up the 

content of a disc.
WMA 

WMA stands for ‘Windows Media Audio’, an audio codec 

standard proposed by Microsoft. Music/audio files which 

are compressed using this standard come with the file 

extension, .wma or .WMA.