# Play Audio on Cabin Aircraft Speakers

PhysicalFunction

In-Flight Entertainment System > In-Flight Entertainment System > Physical Architecture > Physical Functions > Root Physical Function > Provide Aircraft Information, Commands and Means > Play Audio on Cabin Aircraft Speakers

This function receives digital audio streams and play them on the aricraft speakers.

## Incoming Functional Exchanges

Exchange | Source | Description | Allocated Exchange Items
--- | --- | --- | ---
Audio Stream | Send Audio Stream to Aircraft Cabin Speakers |  |

## Outgoing Functional Exchanges

Exchange | Target | Description | Allocated Exchange Items
--- | --- | --- | ---
Audio Signal | Watch Imposed Movie on Cabin Screen |  |
Audio Signal | Listen to Audio Announcement |  |

## Realized Elements

- Play Audio on Cabin Aircraft Speakers

## Diagrams displaying "Play Audio on Cabin Aircraft Speakers"

- [PDFB] [CTX] Display Video and Play Audio
- [PAB] [BUILD] All PCs, PFs, FEs
- [PAB] [BUILD] Template
- [PFBD] All Physical Functions
- [PAB] [CTX] Watch Imposed Video on Cabin Screen FC
- [PDFB] [CTX] Manage Audio Video Diffusion