# Play Audio-Video Stream on Seat TV

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 > Play Audio-Video Stream on Seat TV

This function receives a media stream (either synchronized video and audio either audio only) and restitutes it through the Seat TV.

## Incoming Functional Exchanges

Exchange | Source | Description | Allocated Exchange Items
--- | --- | --- | ---
Audio-Video Stream | Broadcast Audio Video Stream |  | Audio-Video Stream
Pause-Stop Notification | Prepare Broadcasts |  |
Audio Stream | Process Audio Announcement |  |

## Outgoing Functional Exchanges

Exchange | Target | Description | Allocated Exchange Items
--- | --- | --- | ---
Played Audio Video | Watch Movie on Private Screen |  |
Audio Signal | Listen to Audio Announcement |  |

## Realized Elements

- Broadcast Audio Video Streams

## Realizing Elements

- Play Video Stream on Seat TV

## Diagrams displaying "Play Audio-Video Stream on Seat TV"

- [ES] Start Playing VOD Movie
- [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
- [LAB][CTX] Start Playing VOD Movie FC
- [LAB][CTX] Broadcast Audio Announcement FC