Posted on April 1, 2015 in
The magnitude of an audio signal when measured with equipment that implements the algorithm specified by ITU-R BS.1770. It is an approximation of perceived loudness.
Posted on April 1, 2015 in
The largest amount of data that can be transferred in a single unit across a specific physical connection. When using the Internet Protocol, this translates to the largest IP datagram size allowed.
Posted on April 1, 2015 in
The period between the earliest target acquisition time and the latest activation time for a specific target using all emitted triggers.
Posted on April 1, 2015 in
A formalism that describes a class of documents which employ markup in order to delineate the document’s structure, appearance, or other aspects; XDML is an example of a markup language.
Posted on April 1, 2015 in
A type of content which takes the form of a markup language; an XDML document is an example of markup content.
Posted on April 1, 2015 in
Text that is added to the primary information content of a document in order to convey information about that content.
Posted on April 1, 2015 in
An application resource whose content is manifested directly to an application or an application environment.
Posted on April 1, 2015 in
The first number in a two-part number used to identify a virtual channel. Each virtual channel carries one service, such as a television program. The major channel in the U.S. for current NTSC broadcasters is usually their NTSC channel number.
Posted on April 1, 2015 in
A subset of the syntax of the MPEG-2 video coding specification that is expected to be supported over a large range of applications.
Posted on April 1, 2015 in
A range of allowed picture parameters defined by the MPEG-2 video coding specification with maximum resolution equivalent to ITU-R Recommendation 601.
Subscribe to The Standard, our monthly newsletter. Learn More
ATSC is a membership organization with both voting and observer categories. Voting members include corporations, nonprofit organizations, and government entities, and they participate actively in the work of ATSC. Observers are individuals or entities not eligible to be a voting member.
Subscribe to The Standard, our monthly newsletter, to stay up-to-date with ATSC news and events around the world.
Advanced Television Systems Committee, Inc.
1300 I Street NW, Suite 400E
Washington, DC 20005
Do you have questions about ATSC?
The Advanced Television Systems Committee, Inc., is an international, non-profit organization developing voluntary standards and recommended practices for digital terrestrial broadcasting. ATSC member organizations represent the broadcast, broadcast equipment, motion picture, consumer electronics, computer, cable, satellite, and semiconductor industries. ATSC also develops digital terrestrial broadcasting implementation strategies and supports educational activities on ATSC standards.
© 2024 ATSC