An Overview of
Auracast™ Broadcast Audio
Author: Market Development
Version: 1.0
Revision Date: 14 May 2024


2
Table of Contents
1.0 Introduction ...........................................3
2.0 An Introduction to Auracast™ Use Cases ....................4




3.0 Other Auracast™ Features ................................10
 
 
 
4.0 Form Factors ........................................... 15
 
 
 
5.0 Conclusion ............................................17
6.0 References ............................................18
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1.0 Introduction

















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
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2.0 An Introduction to Auracast™ Use Cases













2.1 Simple Audio Sharing



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



Auracast™Transmitter
Auracast™ Receiver #1
Auracast™ Receiver #2
Figure 2.1: A simple example of Bluetooth LE Audio Auracast™ topology
1 ThemultiplelevelsofBluetoothLEAudiospecicationsuseavarietyofdierentrolenamestodescribehowthevariouselementsof
thebroadcasttopologywork.Foreaseofunderstanding,thisdocumentusesthethreegenerictermsofAuracast™transmitter,
Auracast™receiver,andAuracast™assistanttodescribeboththedevicesandtheiroperationroles.
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







2.2 Broadcasting to Multiple Users




hall or venue.
Auracast™ Transmitter
Auracast™
Receiver #6
Auracast™
Receiver #7
Auracast™
Receiver #1
Auracast™
Receiver #2
Auracast™
Receiver #5
Auracast™
Receiver #4
Auracast™
Receiver #3
Figure2.2:AnexampleofAuracast™usageinapublicvenue



back to contents





be achieved. This means there is no discernible delay between ambient audio and the sound rendered








listeners’ respective audio devices will render identical audio content.
2.3 Multiple Auracast™ Transmitters





Auracast™
Receiver #1
Auracast™
Receiver #5
Auracast™
Receiver #4
Auracast™
Receiver #3
Auracast™
Receiver #2
Auracast™ Transmitters
TV #1
Snooker
TV #2
Darts
TV #3
Football
Figure2.3:AnexampleofmultipleAuracast™transmitters
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








make a personal choice about which broadcast they want to hear.

























2
.
2 MoresophisticatedTVscansendfurtherinformationaboutacurrentprogramextractedfromtheirElectronic
Program Guide.
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Available Auracast™ Broadcasts:
TV #1 - Snooker
TV #2 - Darts
TV #3 - Football
Figure2.4:AnAuracast™assistant
implementedasasmartwatchapp
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




2.4 The Complete Auracast™ Ecosystem

TV #1
Snooker
TV #3
Football
TV #2
Darts
Available Auracast™ Broadcasts:
TV #1 - Snooker
TV #2 - Darts
TV #3 - Football
Football (L)
Football (R)
Stream Information Audio Stream
Football (R)Football (L)
Figure2.5:TheAuracast™topologyforthesportsbarexample
Snooker,Darts,andFootball

Football,Snooker,orDarts that have been



to make a choice.
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












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3.0 Other Auracast™ Features




3.1 Multiple Audio Streams















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


3 Formoredetails,seeAmazon’sblogPrimeVideolaunchesanewaccessibilityfeaturethatmakesiteasiertohear
dialogueinyourfavoritemoviesandseries
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Stereo
English
Enhanced
Audio Broadcast
Ambient Stereo
Stereo
Spanish
English Broadcast
Spanish Broadcast
Figure3.6:Examplesofmulti-streamoperationinTVs



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











3.2 Flexible Codec and Latency Congurations








4 StandardandHighQualitycongurationsaredenedintheAuracast™transmitterrecommendations.
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12




the ambient sound and the broadcast audio stream with no discernable delay between the two. For




3.3 Encryption
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






their room entry key.




















any application.
back to contents
Ms. Garcia
Scan the QR code to listen
to this TV using your
Auracast™ device
WELCOME
Figure3.7:TheuseofQRcodestoenableencryptedaudio
for hotel TVs
Figure 3.8: Tiered access for home TV usage
Home TV
Scan the Auracast™ QR code
to connect your audio products
to this TV.
Auracast™ Broadcast:
Passcode:
Home TV #2
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




they would need to do is ask their audio application to switch to



look like on a smartphone app.





share my music




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Figure3.9:Anexampleofamusic-sharing
apponasmartphone
Auracast™ Broadcast Audio Sharing
Scan to join:
Jive with Jon

4.0 Form Factors





4.1 Auracast™ Receivers






4.2 Auracast™ Transmitters























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Figure 4.10: Examples of products that add Auracast™
capabilitytoexistingaudiosources











to pick up the conversations they need.
4.3 Auracast™ Assistants








control their audio.








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Figure4.11:ExamplesofAuracast™assistantsimplemented
asappsinsmartdevices
Figure4.12:ExampleofdierentformfactorstoprovideAuracast™assistantfunctionality



5.0 Conclusion




















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6.0 References



[1] 
[2] 
[3] 
[4] 