Catching the live lecture from foreign university

A

AC Question

Can anyone help me to understand this strange phenomenon. My cell was on charging and on. Suddenly I heard a lecture voice in English . It seemd it was a live lecture as I could hear the other voices also. It continued for one minute then stopped.
 

Tim1954

Q&A Team
Jan 17, 2016
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Weird propagation phenomenon, probably a radio mike being used at lecture generated a harmonic that was in the frequency bands your phone uses.. That would be my theory.. :)