# Display Video and Play Audio

LogicalFunction

In-Flight Entertainment System > In-Flight Entertainment System > Logical Architecture > Logical Functions > Root Logical Function > IFE System > Manage Audio and Video Diffusion > Display Video and Play Audio

This function aggregates different display and media playing functions, which are typically allocated to different equiments: Seat TVs, Cabin Screens, etc.

## Incoming Internal Functional Exchanges

Exchange | Source | Target | Description | Allocated Exchange Items
--- | --- | --- | --- | ---
Audio-Video Stream | Broadcast Audio Video Stream | Play Audio-Video Stream on Seat TV |  | Audio-Video Stream
Pause-Stop Notification | Prepare Broadcasts | Play Audio-Video Stream on Seat TV |  |
Audio Stream | Process Audio Announcement | Play Audio-Video Stream on Seat TV |  |
Video Stream | Broadcast Audio Video Stream | Play Video Stream on Cabin Screen |  |
Pause-Stop Notification | Prepare Broadcasts | Play Video Stream on Cabin Screen |  |
Pause-Stop Notification | Prepare Broadcasts | Receive Imposed Video Playing Status |  |
Imposed Video Playing Status | Prepare Broadcasts | Receive Imposed Video Playing Status |  |
Audio Interruption Notification | Interrupt Current Service | Display Audio Interruption Screen on Seat TV |  |

## Outgoing Internal Functional Exchanges

Exchange | Source | Target | Description | Allocated Exchange Items
--- | --- | --- | --- | ---
Played Audio Video | Play Audio-Video Stream on Seat TV | Watch Movie on Private Screen |  |
Audio Signal | Play Audio-Video Stream on Seat TV | Listen to Audio Announcement |  |
Played Video | Play Video Stream on Cabin Screen | Watch Imposed Movie on Cabin Screen |  |
Displayed Imposed Video Playing Status | Display Imposed Video Playing Status on Cabin Terminal | Command Airline-Imposed Video Broadcast |  |
Displayed Audio Interruption Screen | Display Audio Interruption Screen on Seat TV | Listen to Audio Announcement |  |

## Realizing Elements

- Display Video and Play Audio

## Owned diagrams

[LDFB] [CTX] Display Video and Play Audio

## Diagrams displaying "Display Video and Play Audio"

- [LDFB] [CTX] Broadcast Stored Audio Video Streams
- [LFBD] All Functions
- [LDFB] [CTX] Manage Audio and Video Diffusion