Process Audio Announcement

LogicalFunction

In-Flight Entertainment System > In-Flight Entertainment System > Logical Architecture > Logical Functions > Root Logical Function > IFE System > Manage Audio and 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
Audio Stream	Broadcast Audio Announcement	Streaming Protocol	FIP 3	Play Audio-Video Stream on Seat TV				Packetized Audio Stream
Service Interruption Command	Broadcast Audio Announcement	Service Management	FIP 2	Interrupt Current Service				Service Interruption Command