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A/99, Carriage Of Legacy TV Data ServicesApproved: 23 July 2008

This supplementary standard establishes how to transport certain data services that are sent by some broadcasters. These services may be sent over NTSC using lines in or near the Vertical Blanking Interval or in digital video using VANC. The method for encapsulating some of these services has been defined in SCTE 127.

Download A/99:2008, “Carriage Of Legacy TV Data Services”, approved 23 July 2008.

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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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