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This term is used to signify the analog NTSC television system as defined in ITU-R Recommendation 470. See also standard definition television and ITU-R Recommendation 1125.
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A specific type of content identified by a MIME media type; a (metadata) property of an application resource.
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A content-type is the top-level media type used to declare the general type of data. A subtype is used to convey a specific format for that type of data. For example, a media type of “image/xyz” indicates that the data is an image, even without knowledge of the specific image format “xyz”.
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An identifiable component of an application environment which decodes or executes a specific content type.
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A label for content. This may take the form of a global label such as ISAN, or a “house number”.
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An unspecified unit of information; the essential nature or character of some material; for example, streaming video content and markup content.
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A general term which refers to either an application or application resource.
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Material or essence used for distribution by an operator.
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Essence plus its metadata.
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An audiovisual work.
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ATSC, the Broadcast Standards Association, is an international, non-profit organization developing voluntary standards and recommended practices for digital terrestrial broadcasting. Serving as an essential force in the broadcasting industry, ATSC guides the seamless integration of broadcast and telecom standards to drive the industry forward. Currently, the ATSC 3.0 Standard is providing the best possible solution for expanding the potential of the broadcast spectrum beyond its traditional application to meet changing needs. From conventional television to innovative digital data services, ATSC has one clear goal: to empower the broadcasting ecosystem like never before.
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