# Broadcast Stored Audio and Video

LogicalFunction

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

This function is responsible for broadcasting existing audio and video media. Transmitting audio and video streams means:

- Sending them to each passenger (on Seat TVs)

- Sending them to the cabin screens

## Incoming Internal Functional Exchanges

Exchange | Source | Target | Description | Allocated Exchange Items
--- | --- | --- | --- | ---
Media Files | Store Digital Media | Prepare Broadcasts |  | Media Files
Imposed Video Control Command | Process Imposed Video Controls | Prepare Broadcasts |  | Imposed Video Control Command
VOD Movie Control Command | Process VOD Movie Controls | Prepare Broadcasts |  | VOD Control Command

## Outgoing 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
Video Stream | Broadcast Audio Video Stream | Play Video Stream on Cabin Screen |  |
Audio Stream | Broadcast Audio Video Stream | Forward Audio Stream to Aircraft Cabin Speakers |  |
Media IDs | Prepare Broadcasts | Store Digital Media |  |
Imposed Video Playing Status | Prepare Broadcasts | Receive Imposed Video Playing Status |  |
Pause-Stop Notification | Prepare Broadcasts | Play Audio-Video Stream on Seat TV |  |
Pause-Stop Notification | Prepare Broadcasts | Play Video Stream on Cabin Screen |  |
Pause-Stop Notification | Prepare Broadcasts | Receive Imposed Video Playing Status |  |

## Realized Elements

- Broadcast Audio Video Streams

## Realizing Elements

- Broadcast Stored Audio and Video Streams

## Owned diagrams

[LDFB] [CTX] Broadcast Stored Audio Video Streams

## Diagrams displaying "Broadcast Stored Audio and Video"

- [ES] Start Playing VOD Movie
- [LDFB] [CTX] Process Audio Video Requests
- [LDFB] [CTX] Display Video and Play Audio
- [LFBD] All Functions
- [LDFB] [CTX] Manage Audio and Video Diffusion