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Bidirectional bluetooth audio

Epasta

Hello all,

I have some questions about bluetooth low energy audio:

1) is it possible to pair nrf5340 audio dk to a phone (iPhone or Android) and listen the music? Is it possible also answer/make phone call?
can i found an example od NRF connect sdk 2.3.0?

2) if I have 2 NRF5340 audio dev kit, one time that i have connected them, con I open stream audio?
Can I talk from DK 1 and listen the audio from DK2?
Can I also at the same time talk from DK 2 and listen the audio from DK1 (full duplex communication)?
Can i found an example on NRF connect sdk 2.3.0?

3) is it also possibile to have the 2 DK with audio stream opened and at the same time have the phone connected (for audio)?

4) is it possible mix mono and audio stereo from NRF SDK or we need a separate DPS Chipset?

Thanks for your time
Best regards

  • 0

    Hi, 

    1) is it possible to pair nrf5340 audio dk to a phone (iPhone or Android) and listen the music?

    It depends on whether the phone can support LE Audio or not. See this post and this post.  

    Is it possible also answer/make phone call?
    can i found an example od NRF connect sdk 2.3.0?

    The nRF5340 Audio application hasn't had this function.

    2) if I have 2 NRF5340 audio dev kit, one time that i have connected them, con I open stream audio?
    Can I talk from DK 1 and listen the audio from DK2?
    Can I also at the same time talk from DK 2 and listen the audio from DK1 (full duplex communication)?
    Can i found an example on NRF connect sdk 2.3.0?

    See Enabling the walkie-talkie demo in the application description for more information.

    3) is it also possibile to have the 2 DK with audio stream opened and at the same time have the phone connected (for audio)?

    Do you mean 2 Audio DKs work as headsets(right/left ear) and connect to the phone for audio? If so, the nRF5340 Audio application can support CIS True Wireless Stereo (TWS) with Pixel phone 7/7A Android 13 since NCS v2.4.0. Please make sure to use the latest Android 13 and enable the LE audio feature in the developer configuration.

    4) is it possible mix mono and audio stereo from NRF SDK or we need a separate DPS Chipset?

    You can take a look Pulse Code Modulation audio mixer module, but it still needs to check the CPU loading.

    Regards,
    Amanda H.

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