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NTSC
(redirected from National Television Systems Committee)

   Also found in: Wikipedia 0.01 sec.
NTSC
(National TV Standards Committee) The first television standard for the U.S., which was also adopted by Canada, Japan, South Korea and several Central and South American countries. In the U.S., the analog NTSC standard was superseded by the digital TV standard in 2009 (see digital TV transition and DTV).

From Monochrome to Color
NTSC commercial broadcasting began in the U.S. for black and white TVs in the summer of 1941. A subcarrier frequency was later developed to transmit color alongside the monochrome signal, and color TV debuted on January 1, 1954 (see composite video). Before electronic TV became a standard, prototype electromechanical systems produced the first, crude video images (see video/TV history).

NTSC Specifications
Administered by the FCC, NTSC broadcasts 60 half frames per second, which is known as 60 "fields" per second in TV jargon (59.94 fields per second to be exact). NTSC uses 525 lines of resolution: the first 480 lines in each frame are the image, and the last 45 are the "vertical blanking interval" (VBI), which was designed to give the electron gun time to reposition itself from the bottom of the last frame to the top of the next. See interlace and raster scan.

NTSC is encoded in the YUV color space, which provides a mathematical equivalent of red, green and blue. It also includes an audio FM frequency and an MTS signal for stereo. See YUV, YIQ, 4fSC, vertical blanking interval, aspect ratio, DTV, PAL and SECAM.

An NTSC TV Set
This TV set picked up the first NTSC TV signal, which was broadcast in the U.S. beginning in 1941. The signal was monochrome. In 1954, the new NTSC standard added color using a composite video signal. (Image courtesy of www.TVhistory.TV)


Inside a TV?
Hard to imagine, but this rotating disc was the heart of the first TV camera and receiver, which predated the all-electronic systems such as NTSC. For an overview, see video/TV history. (Image courtesy of www.TVhistory.TV)

NTSC - National Television Standards Committee


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The new device is compatible with the National Television Systems Committee (NTSC) analog standard, the North American digital terrestrial or Advanced Television Committee (ATSC) digital standard and the digital cable television standard.
Projectors illuminated by PhlatLight LEDs produce more than fifty percent wider color gamut than the National Television Systems Committee standard and the pure, primary colors sequentially pulsed at high speeds provide ultra-fast color refresh for stable, accurate colors and a smooth picture with superior motion quality.
Projectors illuminated by PhlatLight LEDs produce more than fifty percent wider color gamut than the National Television Systems Committee standard and the pure, primary colors sequentially pulsed at high speeds provide ultra-fast color refresh for stable, accurate colors and a smooth picture with superior motion quality.
 
 
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