LE Audio interoperability with non-Nordic device (nRF5340 Audio DK and Ambiq Apollo510B)

[Lawrence_p]

Hi,

For my university MEng group project, I am working with the nRF5340 Audio DK and Bluetooth LE Audio (LC3 over ISO).

My end goal is to stream audio from an nRF5340 Audio DK (acting as a gateway) to a non-Nordic device (Ambiq Apollo510B) over BLE Audio, have the Ambiq device process the audio, and then send the processed audio back to the nRF5340 in real time, where it will be rendered via the 3.5 mm jack.

I currently have two nRF5340 Audio DKs running the nRF5340 Audio application (NCS v3.2.1), and I have successfully streamed audio between them using unicast.

My question is about interoperability with a non-Nordic device:

What is the recommended approach for establishing an LE Audio (ISO/CIS + LC3) connection from the nRF5340 Audio DK to a third-party platform such as the Ambiq Apollo510B?

Kind Regards

Lawrence

[Vidar Berg]

Hi,

They should be interoperable as long as the Ambit is compliant with the LE Audio specification. In the sample we use a basic approach, where the gateway connects to an advertising headset based on the advertised name. This approach is fine for testing purposes, but for a final product, other methods should be considered.

Kind regards,

Vidar

[Lawrence_p]

Would you recommend that I modify the nRF5340 audio application example for this project?

[Vidar Berg]

Not unless it’s needed. I don't  know if you're able to establish the connection now or not.

[Lawrence_p]

We have just been told by ambiq that the board will not support LE audio until an update later this year so we have to change this project but thank you for your responses