Does your use-case require LE Audio, or do you want to get and play the PCM data on the same device?
For the LE Audio case, you can refer to the audio_system and audio_datapath files in nrf5340_audio/src/audio.
You can still refer to parts of the Audio application for the local case and use the unicast server or the broadcast sink. The CIS bidirectional walkie-talkie demo both records and plays audio: it records audio and transmits it to the peer device and it receives audio and plays it.
I'm currently working with PCM data from the nRF5340 DK and I want to play audio on the nRF5340 Audio board. Could you advise on which communication method I should use? Additionally, could you please provide any sample code for this?
You can transfer the data wired over I2S and wireless with LE Audio. We don't have a simple example which demonstrates this, but the nRF5340 Audio application uses both methods. PCM data is transfered over I2S from the CS47L63 to the nRF5340 on the nRF5340 Audio DK.
