# Convert Audio

PhysicalFunction

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

This function converts a digital audio stream in a analog one.

## Incoming Functional Exchanges

Exchange | Source | Description | Allocated Exchange Items
--- | --- | --- | ---
Decoded Audio Stream | Decode Audio Packets |  | Audio Packets

## Outgoing Functional Exchanges

Exchange | Target | Description | Allocated Exchange Items
--- | --- | --- | ---
Audio Signal | Listen to Audio Announcement |  |

## Diagrams displaying "Convert Audio"

- [PDFB] [CTX] Display Video and Play Audio
- [PAB] [BUILD] All PCs, PFs, FEs
- [PAB] [BUILD] Template
- [PFBD] All Physical Functions
- [PDFB] [CTX] Play Audio on Seat TV
- [PAB] Focus on SVDU Audio Video Playing
- [PAB] [CTX] Start Playing VOD Movie FC