ATSC standards

ATSC standards are technical specifications developed by the Advanced Television Systems Committee for digital television, including broadcast transmission, audio, video, and data.

Advanced Television Systems Committee: A standards organization that develops technical specifications for digital television and related media systems. This committee develops and maintains the standards bearing its name.
COFDM: A multicarrier modulation method that divides data among many orthogonal subcarriers. ATSC 3.0 uses OFDM rather than the 8VSB modulation of ATSC 1.0.
Advanced Television Systems Committee A/53: The ATSC standard specifying the digital television system commonly known as ATSC 1.0. A/53 defines the core terrestrial transmission and service framework of the original system.
Digital Video Broadcasting: A family of digital television standards developed for terrestrial, satellite, and cable delivery. DVB-T is a major terrestrial alternative to ATSC systems outside North America.
Grand Alliance: A consortium of companies that developed a digital HDTV system proposal in the 1990s. Its work supplied the technical foundation for the original ATSC terrestrial system.
Digital television: Television systems that represent and transmit audio and video as digital data. ATSC standards specify one major family of digital television systems.
ATSC 1.0: The first major suite of ATSC digital television standards, built around fixed terrestrial broadcasting. Its transmission system and service model established digital broadcasting in the United States.
Advanced Television Systems Committee A/300: The ATSC standard suite specifying the ATSC 3.0 digital television system. A/300 organizes the newer system's physical layer, transport, signaling, and service components.
Integrated Services Digital Broadcasting: A Japanese family of standards for digital television and multimedia broadcasting. ISDB-T is another national terrestrial system with different transmission design choices.
Digital television transition: The migration from analog television broadcasting to digital transmission and reception. ATSC standards enabled the United States transition from analog over-the-air television.

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