# 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

## Incoming Functional Exchanges

Exchange | Source | Description | Allocated Exchange Items
--- | --- | --- | ---
Audio Stream | Acquire Audio Stream from Aircraft |  |

## Outgoing Functional Exchanges

Exchange | Target | Description | Allocated Exchange Items
--- | --- | --- | ---
Audio Stream | Play Audio-Video Stream on Seat TV |  |
Service Interruption Command | Interrupt Current Service |  |

## Realized Elements

- Broadcast Audio Video Streams

## Realizing Elements

- Process Audio Announcement

## Diagrams displaying "Process Audio Announcement"

- [LDFB] [CTX] Manage Passenger Services Lifecycle
- [FS] Perform Audio Announcement
- [LAB] [BUILD] All Components, Functions, CEs, FEs
- [LAB] [BUILD] Template
- [LDFB] [CTX] Display Video and Play Audio
- [LFBD] All Functions
- [ES] Perform Audio Announcement
- [LDFB] [CTX] Manage Audio and Video Diffusion
- [LDFB] [CTX] Provide Aircraft Interface
- [LAB][CTX] Broadcast Audio Announcement FC