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System and method for dynamically transmitting network alert system (NAS) information from television network to stations using information embedded in an HDTV signal
System and method for dynamically transmitting network alert system (NAS) information from television network to stations using information embedded in an HDTV signal
A system for dynamically transmitting network alert system (NAS) information from a television network to an affiliate station using information embedded in an HDTV signal includes a program data server configured to provide network alert system (NAS) data, a network video programming source configured to provide network video programming, a data inserter configured to insert the NAS data into vertical ancillary (VANC) space of a high definition television (HDTV) signal to develop a combined network video programming and NAS data signal, and a transmission facility configured to transmit the combined network video programming and NAS data signal.
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