NTSC-J
Encyclopedia
NTSC-J is an analog
television
system and video display standard for the region of Japan
.
While NTSC-M is an official standard, "J" is more a colloquial indicator as used in Marketing definition (below) but not an official term.
, but is slightly different. The black level and blanking level of the NTSC-J signal are identical (at 0 IRE
), as they are in PAL
, another video standard, while in American NTSC, black level is slightly higher (7.5 IRE
) than blanking level. Because of the way this appears in the waveform, the higher black level is also called pedestal.
Since the difference is quite small, a slight change of the brightness setting is all that is required to enjoy the "other" variant of NTSC on any set as it is supposed to be.
The over-the-air RF frequencies in use in Japan do not match those of the US NTSC standard; there are also international differences in the frequency allocations for other services such as FM radio. The encoding of the stereo subcarrier also differs between NTSC-M/MTS and the Japanese broadcast standards.
Most games designated as part of this region will not run on hardware designated as part of the NTSC-US, PAL
(or PAL-E, "E" stands for Europe) or NTSC-C
(for China
) mostly due to the regional differences of the PAL (SECAM
was also used in the early 90s) and NTSC standards. Many older video game systems do not allow games from different regions to be played, however more modern consoles, either leave protection to the discretion of publishers such as Microsoft
's Xbox 360
or discontinue its use entirely like Sony
's PlayStation 3
.
China
received its own designation due to fears of an influx of illegal copies flooding out of China, which is notorious for its rampant copyright infringements. There is also concern of copyright protection through regional lockout
built into the video game systems and games themselves, as the same product can be edited by different publishers from one continent to another.
Broadcast television system
s
Related topics
Analog signal
An analog or analogue signal is any continuous signal for which the time varying feature of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal. It differs from a digital signal in terms of small fluctuations in the signal which are...
television
Television
Television is a telecommunication medium for transmitting and receiving moving images that can be monochrome or colored, with accompanying sound...
system and video display standard for the region of Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
.
While NTSC-M is an official standard, "J" is more a colloquial indicator as used in Marketing definition (below) but not an official term.
Technical definition
It is based on 'regular' NTSCNTSC
NTSC, named for the National Television System Committee, is the analog television system that is used in most of North America, most of South America , Burma, South Korea, Taiwan, Japan, the Philippines, and some Pacific island nations and territories .Most countries using the NTSC standard, as...
, but is slightly different. The black level and blanking level of the NTSC-J signal are identical (at 0 IRE
IRE (unit)
An IRE is a unit used in the measurement of composite video signals. Its name is derived from the initials of the Institute of Radio Engineers....
), as they are in PAL
PAL
PAL, short for Phase Alternating Line, is an analogue television colour encoding system used in broadcast television systems in many countries. Other common analogue television systems are NTSC and SECAM. This page primarily discusses the PAL colour encoding system...
, another video standard, while in American NTSC, black level is slightly higher (7.5 IRE
IRE (unit)
An IRE is a unit used in the measurement of composite video signals. Its name is derived from the initials of the Institute of Radio Engineers....
) than blanking level. Because of the way this appears in the waveform, the higher black level is also called pedestal.
Since the difference is quite small, a slight change of the brightness setting is all that is required to enjoy the "other" variant of NTSC on any set as it is supposed to be.
The over-the-air RF frequencies in use in Japan do not match those of the US NTSC standard; there are also international differences in the frequency allocations for other services such as FM radio. The encoding of the stereo subcarrier also differs between NTSC-M/MTS and the Japanese broadcast standards.
Marketing definition
The term NTSC-J is also used to distinguish regions in console video games, which use televisions. NTSC-J is used as the name of the video gaming region of Japan -hence the "J", South East Asia, Taiwan, Hong Kong, Macau and South Korea (formerly part of SE Asia with Hong Kong, Taiwan, Japan, etc.).Most games designated as part of this region will not run on hardware designated as part of the NTSC-US, PAL
PAL region
The PAL region is a television publication territory which covers most of Asia, Africa, Australia, New Zealand, and most of Western Europe...
(or PAL-E, "E" stands for Europe) or NTSC-C
NTSC-C
NTSC-C is a regional lockout created in 2003 by Sony Computer Entertainment for the official launch of its PS2 gaming system into the mainland Chinese market.-Mainland Chinese market:...
(for China
People's Republic of China
China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...
) mostly due to the regional differences of the PAL (SECAM
SECAM
SECAM, also written SÉCAM , is an analog color television system first used in France....
was also used in the early 90s) and NTSC standards. Many older video game systems do not allow games from different regions to be played, however more modern consoles, either leave protection to the discretion of publishers such as Microsoft
Microsoft
Microsoft Corporation is an American public multinational corporation headquartered in Redmond, Washington, USA that develops, manufactures, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions...
's Xbox 360
Xbox 360
The Xbox 360 is the second video game console produced by Microsoft and the successor to the Xbox. The Xbox 360 competes with Sony's PlayStation 3 and Nintendo's Wii as part of the seventh generation of video game consoles...
or discontinue its use entirely like Sony
Sony
, commonly referred to as Sony, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan and the world's fifth largest media conglomerate measured by revenues....
's PlayStation 3
PlayStation 3
The is the third home video game console produced by Sony Computer Entertainment and the successor to the PlayStation 2 as part of the PlayStation series. The PlayStation 3 competes with Microsoft's Xbox 360 and Nintendo's Wii as part of the seventh generation of video game consoles...
.
China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...
received its own designation due to fears of an influx of illegal copies flooding out of China, which is notorious for its rampant copyright infringements. There is also concern of copyright protection through regional lockout
Regional lockout
Regional lockout is the programming practice, code, chip, or physical barrier used to prevent the playing of media designed for a device from the country where it is marketed on the version of the same device marketed in another country.-Video games:...
built into the video game systems and games themselves, as the same product can be edited by different publishers from one continent to another.
See also
- Television in JapanTelevision in JapanTelevision broadcasting in Japan started in 1939, making the country one of the first in the world with an experimental television service. In spite of that, because of the beginning of World War II in the Pacific region, this first experimentation lasted only a few months...
Broadcast television system
Broadcast television system
Broadcast television systems are encoding or formatting standards for the transmission and reception of terrestrial television signals. There are three main analog television systems in current use around the world: NTSC, PAL, and SECAM...
s
- ATSC
- BTSC
- NTSCNTSCNTSC, named for the National Television System Committee, is the analog television system that is used in most of North America, most of South America , Burma, South Korea, Taiwan, Japan, the Philippines, and some Pacific island nations and territories .Most countries using the NTSC standard, as...
- NTSC-CNTSC-CNTSC-C is a regional lockout created in 2003 by Sony Computer Entertainment for the official launch of its PS2 gaming system into the mainland Chinese market.-Mainland Chinese market:...
- PALPALPAL, short for Phase Alternating Line, is an analogue television colour encoding system used in broadcast television systems in many countries. Other common analogue television systems are NTSC and SECAM. This page primarily discusses the PAL colour encoding system...
- PAL/E
- SECAMSECAMSECAM, also written SÉCAM , is an analog color television system first used in France....
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- Moving image formatsMoving image formatsThis article discusses moving image capture, transmission and presentation from today's technical and creative points of view; concentrating on aspects of frame rates.- Essential parameters :...
- Oldest television stationOldest television stationThis is a list of prewar television stations of the 1920s and 1930s that were among the first in the world. Most of these experimental stations were located in Europe , Canada and the United States...