CEA-2035/DVS-847 standardizes metadata elements describing emergency alert events to devices in a home network, for applications involving the delivery of Commercial Video Services into the home network. Commercial Video Services are sources of audio/video content provided as live or on-demand streams from a particular service provider. Other standards define emergency alert signaling
for digital cable receiving devices (ANSI J-STD-042-A[2]) and for IPTV terminal devices (ATIS-0800012[1]