The television standards used by countries around the world are divided into analog television standards and digital television standards. Analog TV standards mainly include NTSC, PAL, and SECAM, while digital TV standards include DVB, ATSC, ISDB, and DTMB. Different countries choose suitable standards based on their geographical location, technological development, and market demand.

Analog TV Standard

There are three main analog TV formats: NTSC, PAL, and SECAM. The NTSC standard was invented by the United States and is mainly used in North America, Japan, South Korea, and other places; The PAL system was invented by Germany and is mainly used in Western Europe, China, and other regions; The SECAM standard was invented by France and is mainly used in France and Eastern European countries. The selection of these standards is mainly based on factors such as technical standards, transmission efficiency, and compatibility of receiving devices.

Digital TV Standard

Digital TV standards include DVB, ATSC, ISDB, DTMB, etc. DVB is the main digital television standard in Europe, ATSC is the main standard in the United States, ISDB is the standard in Japan, and DTMB is the unique digital television terrestrial broadcasting standard in China. These standards have their own characteristics in terms of technical standards, transmission efficiency, and compatibility with receiving equipment, adapting to the needs of different countries and regions.

DVB-C is mainly used for wired transmission, with Asia, Europe, and Africa using DVB-C Annex A. Countries in the Americas mainly use DVB-C Annex B. DVB-S/S2/X2X is satellite transmission, distributed in various countries around the world, subject to actual satellite coverage.

Satellite Signal Reference Website：https://www.lyngsat.com/

Satellite Connect:

 

Frequency reference:Digital TV Frequency

 

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