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Analog mic connection

Category: Software
Product Number: ADAU1787
Software Version: Version 4.7. Build 0, Rev 1831 4/5/2022


I am working with ADAU1787 Evaluation board. I am trying to connect analog mic. microphone image is shown below. i connected it to AIN0. there is no output at speaker. is there anything wrong in connection. can I connect AUX cable at AIN0,AIN1,AIN2/3 directly to play music. is there any need of dc adaptor because it is without it also. I tested sine wave. it is working properly.1882.adau1787.dspproj

Thank you