Process Audio Announcement

PhysicalFunction

In-Flight Entertainment System > In-Flight Entertainment System > Physical Architecture > Physical Functions > Root Physical Function > IFE System > Manage Audio Video Diffusion > Process Audio Announcement

When an audio announcement is made (thoufh the aircraft equipment), the IFE system is responsible for forwarding the audio stream to all passengers. This function also triggers a passenger service interruption command

Involving Functional Chains

Broadcast Audio Announcement

Allocating Component

Applications Server

Incoming Functional Ports

FIP 1

Outgoing Functional Ports

Incoming Functional Exchanges

Exchange	Involving functional chains	Allocating component Exchanges	Distant Port	Source	Description	Allocated Exchange Items	Realized Functional Exchange	Realizing Functional Exchange
Audio Stream	Broadcast Audio Announcement		FOP 1	Acquire Audio Stream from Aircraft			Audio Stream

Outgoing Functional Exchanges

Exchange	Involving functional chains	Allocating component Exchanges	Distant Port	Target	Description	Allocated Exchange Items	Realized Functional Exchange	Realizing Functional Exchange
Packetized Audio Stream	Broadcast Audio Announcement		FIP 1	Receive and Bufferize Audio Packets			Audio Stream
Service Interruption Command	Broadcast Audio Announcement		FIP 2	Interrupt Current Service			Service Interruption Command

Realized Elements