Invention Grant
US08484674B2 System and method for dynamically transmitting network alert system (NAS) information from television network to stations using information embedded in an HDTV signal 有权
使用嵌入在HDTV信号中的信息将网络报警系统(NAS)信息从电视网络动态传输到站的系统和方法

System and method for dynamically transmitting network alert system (NAS) information from television network to stations using information embedded in an HDTV signal
Abstract:
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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