# Broadcast Stored Audio and Video Streams

PhysicalFunction

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

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 File
Imposed Video Control Command | Process Imposed Video Controls | Prepare Broadcasts |  |
VOD Movie Control Command | Process VOD Movie Controls | Prepare Broadcasts |  | VOD Control Command

## Outgoing Internal Functional Exchanges

Exchange | Source | Target | Description | Allocated Exchange Items
--- | --- | --- | --- | ---
Media Request | Prepare Broadcasts | Store Digital Media |  | Media ID
Imposed Video Playing Status | Prepare Broadcasts | Receive Imposed Video Playing Status |  |
Pause-Stop Notification | Prepare Broadcasts | Receive and Bufferize Video Packets |  |
Pause-Stop Notification | Prepare Broadcasts | Decode Video Packet |  |
Pause-Stop Notification | Prepare Broadcasts | Receive Imposed Video Playing Status |  |
Stream Header | Initiate Audio-Video Stream | Synchronize Audio Video |  | Audio-Video Stream Header
Packetized Audio Video Stream | Send Audio Video Packet | Split Audio Video Streams |  | Audio-Video Packets
Packetized Video Stream | Send Audio Video Packet | Receive and Bufferize Video Packet |  |
Packetized Audio Stream | Send Audio Video Packet | Send Audio Stream to Aircraft Cabin Speakers |  |

## Realized Elements

- Broadcast Stored Audio and Video

## Owned diagrams

[PDFB] [CTX] Broadcast Stored Audio and Video Streams

## Diagrams displaying "Broadcast Stored Audio and Video Streams"

- [PDFB] [CTX] Process Audio Video Requests
- [PDFB] [CTX] Display Video and Play Audio
- [PFBD] All Physical Functions
- [PDFB] [CTX] Play Video Stream on Seat TV
- [PDFB] [CTX] Manage Audio Video Diffusion
- [PDFB] [CTX] Play Video Stream on Cabin Screen