secure_area_audio

This data flow is used within the Manage Emergency Services function and contains the direct audio output of surveillance equipment in secure areas typically away from travelers, such as bridges, tunnels, and other infrastructure. The data flow consists of the following data items each of which is defined in its own DDE:

station_id
+ surveillance_device_type_identity
+ secure_audio

Sub Data Flows

• secure_audio
• station_id
• surveillance_device_type_identity

Parent Data Flows

• secure_area_surveillance

Associated PSpecs/Terminators

• 5.1.7.2.1 - Surveil Secure Area
• 5.1.1.4.2 - Manage Secure Area Surveillance

Parent Information Flows

• secure area surveillance data