Digital Tv Modulation Type 介绍

最新推荐文章于 2022-07-19 16:23:44 发布

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本文概述了中国、香港、澳门及美国、加拿大、墨西哥等地区使用的各类电视广播与移动多媒体标准，包括DTMB、ATSC、CMMB、DAB+、DMB-T/H、DVB-C、DVB-T、DVB-T2、ISDB-T等，以及QAM、IQ、T2-MI等关键调制技术。

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-ADTB-T is a modulation sub-standard of the DTMB TV standard for mobile and fixed terminals used in the People's Republic of China, Hong Kong and Macau.

-ATSC is a modulation standard for terrestrial broadcast in the US, Canada and Mexico.

-CMMB is a modulation standard for mobile television and multimedia standard developed and specified in China

-DAB+ is a modulation standard used for digital radio. StreamXpress also supports DAB+ (an non-backwards compatible upgrade of DAB) and DMB (video signals over a DAB modulated signal).

-DMB-T/H is a modulation standard for mobile and fixed terminals used in the People's Republic of China, Hong Kong and Macau.

-DVB-C is a modulation standard for cable TV used by countries that adopted DVB standards. This is also known as J.83 Annex A.

-DVB-H is a modulation standard for terrestrial handheld broadcasting used by countries that adopted DVB standards.

-DVB-T is a modulation standard for terrestrial broadcasting used by countries that adopted DVB standards.

-DVB-T2 is a second generation modulation standard for terrestrial broadcasting used by countries that adopted DVB standards.

-ISDB-T is a modulation standard for terrestrial broadcasting used by countries that adopted Japanese standards.

-QAM B is a modulation standard for cable TV used mostly in North America. This is also known as J.83 Annex B.

-QAM C is a modulation standard for cable TV used mostly in Asia. This is also known as J.83 Annex C.

-IQ is a playback mode playing out Inphase and Quadrature phase of the modulated components.

-T2-MI is a modulation standard that defines the communication protocol used between the T2 gateway and the DVB-T2 modulator to carry synchronization information for SFN broadcasting, signalling information to control modulators transmission and data that is encapsulated within DVB-T2 Baseband frames.

-DVB-S is a modulation standard for satellite broadcasting.

-DVB-S2 is a second generation modulation standard for satellite broadcasting.