![]() The DTMB standard has been adopted in China, including Hong Kong and Macau. Digital Terrestrial Multimedia Broadcast (DTMB) adopts time-domain synchronous (TDS) OFDM technology with a pseudo-random signal frame to serve as the guard interval (GI) of the OFDM block and the training symbol. ![]() ISDB-T International is an adaptation of this standard using H.264/MPEG-4 AVC, which has been adopted in most of South America and Portuguese-speaking African countries. This standard has been adopted in Japan and the Philippines. It supports hierarchical transmission of up to three layers and uses MPEG-2 video and Advanced Audio Coding. It utilizes OFDM and two-dimensional interleaving. Integrated Services Digital Broadcasting (ISDB) is a system designed to provide good reception to fixed receivers and also portable or mobile receivers.This standard has been adopted by 9 countries: the United States, Canada, Mexico, South Korea, Bahamas, Jamaica, the Dominican Republic, Haiti and Suriname. Advanced Television System Committee (ATSC) standard uses eight-level vestigial sideband ( 8VSB) for terrestrial broadcasting.This standard has been adopted in Europe, Africa, Asia, and Australia, for a total of approximately 60 countries. ![]()
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