Definitions for "NTSC format"
A specification for color television, defined by the NTSC, which meets or exceeds the following criteria: (a) 525 scan lines, (b) broadcast bandwidth of 4 megaHertz, (c) line frequency of 15.75 kiloHertz, (d) frame frequency of 30 frames per second, and (e) color subcarrier frequency of 3.58 megaHertz. See National Television Standard Committee.
The standard format for broadcast television in the United States. Also called "composite video" because all of the video information, i.e. sync, luminance and color, are combined into a single analog signal. A color television format having 525 scan lines; a field frequency of 60 Hz; a broadcast bandwidth of 4 MHz; line frequency of 15.75 KHz; frame frequency of 1/30 of a second; and a color subcarrier frequency of 3.58 MHz.
NTSC stands for National Television Standards Committee, the organization that defines North American broadcast standards. The term "NTSC video" refers to the video standard defined by the committee, which has a specifically limited color gamut, is interlaced, and is approximately 720 x 480 pixels, 29.97 fps.