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(Advanced Television Systems Committee) The international digital television (DTV) standard in the U.S., Canada, Mexico and South Korea as well as other smaller countries. Broadcast over the air (terrestrial) or via satellite and cable, ATSC transmits in a 6 MHz channel and uses MPEG-2 video compression and Dolby Digital audio compression. ATSC was adopted by the FCC in 1996. For resolution details, see DTV.

ATSC 2.0
In 2015, Version 2.0 of the ATSC standard added support for advertisements, video-on-demand, interactive features and mobile devices that act as a second screen. ATSC 2.0 never materialized, but some of its features were adopted in ATSC 3.0.

ATSC 3.0 - NextGen TV
With rollouts beginning in 2020, the IP-based Version 3.0 provides increased efficiency and performance as well as support for 4K and HDR video. Viewers can rewind a program to the beginning even if it already started, and ATSC 3.0 provides custom home screens, zooming and alerts for favorite shows. Object-based audio (Dolby Atmos and DTS:X) are supported if the TV tuner is Dolby AC-4 capable. Targeted emergency alerts and GPS navigation updates are also included. See 4K TV, HDR, Dolby Atmos and DTS.

ATSC Resolutions and Subchannels
Over-the-air digital TV supports 480, 720 and 1080 lines in both interlaced (i) and progressive (p) resolutions. Up to six subchannels can be transmitted over one digital channel; hence, the dot in the channel designation. See interlace.
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References in periodicals archive ?
Magid EVP Bill Hague added,"Through the many research projects that we have conducted for Pearl TV, we know that consumers will embrace the new features made possible by ATSC 3.0.
Held at the Isuzu stockyard along Muntinlupa-Cavite Expressway (MCX), the formal turnover was attended by IPC executives, ATSC officers, and local government officials.
Developed by the Advanced Television Systems Committee, the ATSC 3.0 standard has been adopted in both the United States and the Republic of Korea.
Eric Pinson, business unit manager, TeamCast, said: "We're excited to continue to empower the field testing of the amazingly rich ATSC 3.0 technology with our Vortex exciter.
Television receivers based on ATSC 3.0 showcased the flexibility of the next-generation digital terrestrial television broadcast standard now being finalized by the Advanced Television Systems Committee (ATSC).
LGE has successful experience in ATSC demodulators and RF tuners for the US and Canada markets.
Any statements in this press release about future expectations, plans, and prospects for ATSC, including statements about the estimated value of the contract and work to be performed, and other statements containing the words "estimates," "believes," "anticipates," "plans," "expects," "will," and similar expressions, constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995.
The wages of new information technology (IT) support staff have remained stuck at pounds 18,000 over the past five years, while longer serving employees have only seen their pay increase by 0.8%a year, said the Association of Technology Staffing Companies (ATSC).
The electronic spectrum of Ni[(ATSC).sub.2][(NCS).sub.2] is characteristic of octahedral geometry and a six co-ordinated structure (Nakamoto 1978) with the two NCS groups occupying axial position in the [NiL.sub.2] plane is therefore, suggested.
"With the FCC's mandate requiring peripheral TV equipment such as VCRs and DVD recorders to be ATSC-compliant by March 1, 2007, manufacturers are clamoring for integrated solutions that enable them to quickly and economically support SD and HD ATSC broadcast signals," said Adrienne Downey, senior analyst, Semico Research Corporation.