A microphone is a transducer that changes acoustical energy (sound) into electrical energy (voltage).
(A microphone; is; a transducer that changes acoustical energy (sound) into electrical energy (voltage)) (a transducer; changes; acoustical energy; into electrical energy)
A microphone a transducer
is changes
a transducer that changes acoustical energy (sound) into electrical energy (voltage)
acoustical energy into electrical energy