Issue with bluetooth signal detection algorithm ADAU1451

Hi,

I am running a project on ADAU1451, using Sigma Studio version 4.2 Build 1.

I have 3 inputs (Bluetooth, Aux and XLR) and would like to detect and readback which input is playing. Aux and XLR work just fine but the problem is with the Bluetooth. Right after the programming, when there is no music, the Bluetooth input is always enabled which is incorrect and should be disabled. As soon as the music plays, it detects fine. Meaning the initial value for the register is wrong. The issue goes away if I change the threshold to -10dB, but it is not helpful for me. My thought was could that somehow be the ASRC problem that cannot find the lock and do not mute? (FYI: Issue still exists by muting ASRCs when lock is lost)

I appreciate your help on this.

Audio Signal Processors

adau1451

SigmaDSP Audio Processors