https://devzone.nordicsemi.com/f/nordic-q-a/125858/nrf5340-audio-dk---raw-audioHello, I am intending to extract audio from the onboard microphone of nrf5340-audio-dk. I used the nrf5340_audio application as reference but cutting off the bluetooth and everything from there is a lot of work so I tried to build a separate smallen-USTelligent Community 13Mon, 01 Dec 2025 21:45:15 GMThttps://devzone.nordicsemi.com/thread/555925?ContentTypeID=1Mon, 01 Dec 2025 21:45:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b05f0153-ee86-4708-ab38-369f9a5fb589Amanda Hsieh<p>Hi,&nbsp;</p> <p>What NCS version are you using?</p> <p>You can refer to&nbsp;<a href="https://github.com/nrfconnect/sdk-nrf/blob/v3.1.1/applications/nrf5340_audio/src/modules/audio_i2s.c#L41">https://github.com/nrfconnect/sdk-nrf/blob/v3.1.1/applications/nrf5340_audio/src/modules/audio_i2s.c#L41</a>&nbsp;for <span>the I2S configuration and <br />update the configuration for CS47L63&nbsp;<br /><a href="https://github.com/nrfconnect/sdk-nrf/blob/v3.1.1/applications/nrf5340_audio/src/drivers/cs47l63_reg_conf.h#L124">https://github.com/nrfconnect/sdk-nrf/blob/v3.1.1/applications/nrf5340_audio/src/drivers/cs47l63_reg_conf.h#L124</a><br /></span><span>which will be called by<br /><a href="https://github.com/nrfconnect/sdk-nrf/blob/v3.1.1/applications/nrf5340_audio/src/modules/hw_codec.c#L299">https://github.com/nrfconnect/sdk-nrf/blob/v3.1.1/applications/nrf5340_audio/src/modules/hw_codec.c#L299</a>&nbsp;</span></p> <p><span>See&nbsp;<a href="https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/applications/nrf5340_audio/doc/configuration.html#configuring_audio_quality">Configuring audio quality</a>&nbsp;if you are using&nbsp;nRF5340 Audio applications.&nbsp;</span></p> <p><span>Regards,<br />Amanda H.</span></p><div style="clear:both;"></div>