CCIR System M
id:
ccir-system-m-204-12908682
title:
CCIR System M
text:
CCIR System M, sometimes called 525–line, NTSC, NTSC-M, or CCIR-M, is the analog broadcast television system approved by the FCC for use in the United States since July 1, 1941, replacing the 441-line TV system introduced in 1938. It is also known as EIA standard 170. System M comprises a total of 525 interlaced lines of video, of which 486 contain the image information, at 30 frames per second. Video is amplitude modulated and audio is frequency modulated, with a total bandwidth of 6 MHz for ea
brand slug:
wiki
category slug:
encyclopedia
description:
Analog broadcast television system
original url:
https://en.wikipedia.org/wiki/CCIR_System_M
date created:
2009-08-03T09:02:28Z
date modified:
2024-09-10T01:14:06Z
main entity:
{"identifier":"Q5009598","url":"https://www.wikidata.org/entity/Q5009598"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/3/3f/Analog-TV-Systems.jpg","width":4629,"height":1891}
fields total:
13
integrity:
16