Decode Audio Packets

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 > Play Audio on Seat TV > Decode Audio Packets

This function consists in decoding the audio packets typically compressed using an audio codec such as MP3 or AAC.This function receives metadata allowing the synchronization with the video decoding performed separately.

Involving Functional Chains

• Broadcast Audio Announcement
• Broadcast VOD Movie

Allocating Component

• PVDU Audio Decoder

Incoming Functional Ports

• FIP 1
• FIP 2

Outgoing Functional Ports

• FOP 1

Incoming Functional Exchanges

Exchange	Involving functional chains	Allocating component Exchanges	Distant Port	Source	Description	Allocated Exchange Items	Realized Functional Exchange	Realizing Functional Exchange
Audio Packets	Broadcast Audio Announcement Broadcast VOD Movie		FOP 1	Receive and Bufferize Audio Packets		Audio Packets
Sync Metadata			FOP 1	Synchronize Audio Video

Outgoing Functional Exchanges

Exchange	Involving functional chains	Allocating component Exchanges	Distant Port	Target	Description	Allocated Exchange Items	Realized Functional Exchange	Realizing Functional Exchange
Decoded Audio Stream	Broadcast Audio Announcement Broadcast VOD Movie		FIP 2	Convert Audio		Audio Packets

Diagrams displaying "Decode Audio Packets"

• [PAB] Focus on SVDU Audio Video Playing
• [PAB] [BUILD] All PCs, PFs, FEs
• [PAB] [BUILD] Template
• [PAB] [CTX] Start Playing VOD Movie FC
• [PDFB] [CTX] Play Audio on Seat TV
• [PFBD] All Physical Functions
• [PFCD] Broadcast Audio Announcement
• [PFCD] Broadcast VOD Movie
• [PFCD] Resume VOD Movie
• [PFCD] Start Playing VOD Movie