Using Analog Siren Signal as Reference for AEC

[florin.olariu]

Hi,

For an ambulance intercom project, we want to use the analog output from the siren controller as a reference for the AEC algorithm, to help reduce siren noise in the communication channel.

Has anyone tried this approach, or can you share recommendations on integrating an external analog noise reference for AEC on platforms like XMOS ?

Thanks in advance!