Building nRF5340_audio example for nRF5340-DK (not NRF5340-AUDIO-DK)

Question

Hi, 
 is it possible to build the nRF5340_audio application for the nRF5340-DK? 
 What I'm currently is investigating is the possibility of finding and connecting to other LE Audio equiment (supports the new 5.2 spesifications). 
 In this stage it is not that important to transfer audio, but only establish the connection. 
 I just want to scan for devices and find the other equiment, maybe another example is more suitable for my preliminary case? 
 
 BR, 
 Håkon

Maria Gilje · Accepted Answer

Hi Håkon, 
 hakved_vea said: However, neither of the applications, Unicast Audio Server, Unicast Audio Client or the nRF5340_audio was able to stream data to the other LE Audio equipment, or receive from a broadcast stream. 
 For the Unicast samples, the cause could be the controller which is on the network core. In my previous answer I forgot to add that Nordic's SoftDevice controller does not support Isochronous channels, so you need to use the precompiled hex found in <ncs-installation>
rf\applications
rf5340_audio\bin and flash it to the network core of nRF5340. By default, the Unicast samples will build rpmsg for the network core, and this should be disabled with these lines in prj.conf: 
 CONFIG_NCS_INCLUDE_RPMSG_CHILD_IMAGE=n
 
 CONFIG_BT_HCI_VS_EXT=n 
 Another consideration to take is which role each device has in the Bluetooth connection. The headset/client device is the central in both Unicast and nRF5340 Audio. Make sure that the third party device is set up as a peripheral device or change the role of the nRF5340 Audio DK to be peripheral. 
 hakved_vea said: At this point, are most of the Auracast equipment proprietary in the way they establish the connection? is there any specification on how devices from different vendors should connect to each other? 
 There are some variations on how different vendors want to make connections, so there may be a mismatch here. Are you able to find out how the LE Audio device you want to connect to is set up to make connections? Examples are a filter to match a name or address. 
 Regards, Maria

Building nRF5340_audio example for nRF5340-DK (not NRF5340-AUDIO-DK)

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