NTSC-J
Japanese variation of the NTSC analog television standard / From Wikipedia, the free encyclopedia
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NTSC-J or "System J" is the informal designation for the analogue television standard used in Japan. The system is based on the US NTSC (NTSC-M) standard with minor differences.[1] While NTSC-M is an official CCIR[2][3][4] and FCC[5][6][7] standard, NTSC-J or "System J" are a colloquial indicators.
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The system was introduced by NHK and NTV, with regular color broadcasts starting on September 10, 1960.[8][9]
NTSC-J was replaced by digital broadcasts in 44 of the country's 47 prefectures on 24 July 2011. Analogue broadcasting ended on 31 March 2012 in the three prefectures devastated by the 2011 Tōhoku earthquake and tsunami (Iwate, Miyagi, Fukushima) and the subsequent Fukushima Daiichi nuclear disaster.
The term NTSC-J is also incorrectly and informally used to distinguish regions in console video games, which use televisions (see Marketing definition below).