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・ China national under-20 football team
・ China national under-23 football team
・ China Natural Gas
・ China NCPA Concert Hall Orchestra
・ China Nepstar
・ China Netcom
・ China Moses
・ China Motor Bus
・ China Motor Corporation
・ China Mountain Zhang
・ China Movie Channel
・ China Movie Channel (organisation)
・ China Movie Channel Media Awards
・ China Muerta National Reserve
・ China Multi-Generational Panel Dataset – Liaoning
China Multimedia Mobile Broadcasting
・ China National
・ China national 3x3 team
・ China National Aero-Technology Import & Export Corporation
・ China national amateur boxing athletes
・ China National Anti-Demolition Home Alliance
・ China National Aviation Corporation
・ China national badminton team
・ China national bandy team
・ China national baseball team
・ China national beach soccer team
・ China National Building Material Company
・ China National Chemical Engineering
・ China national chess team results
・ China National Convention Center


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China Multimedia Mobile Broadcasting : ウィキペディア英語版
China Multimedia Mobile Broadcasting

China Mobile Multimedia Broadcasting (CMMB) is a mobile television and multimedia standard developed and specified in China by the State Administration of Radio, Film, and Television (SARFT). It is based on the Satellite and Terrestrial Interactive Multiservice Infrastructure (STiMi), developed by TiMiTech, a company formed by the Chinese Academy of Broadcasting Science. Announced in October 2006,〔 it has been described as being similar to Europe's DVB-SH standard for digital video broadcast from both satellites and terrestrial repeaters to handheld devices.〔
It specifies usage of the S-band/U-band and occupies 25 MHz bandwidth within which it provides 25 video and 30 radio channels with some additional data channels.〔 Multiple companies have chips that support CMMB standard - Innofidei who was the first with a solution March 28, 2007,
Other manufacturers, such as (Unique Broadband Systems ), were quick to enter the race and grab a share of the handheld broadcasting market with their (hardware platform ) supporting both CMMB and DTMB (as well as others) standard waveforms.
== RF Details ==
CMMB uses frequencies in the range 2635 - 2660 MHz (S-band) for satellite and "gap-filler" terrestrial broadcast, with additional terrestrial broadcast in the UHF band 470 – 862 MHz. The channel bandwidth can be either 2 or 8 MHz, depending on data rate.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「China Multimedia Mobile Broadcasting」の詳細全文を読む



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