Who invented Microphone? Emile Berliner, a German-born American inventor, is known for his work in audio technology. In 1876, he patented the first practical microphone based on the principles of the carbon microphone, which had been developed earlier by Thomas Edison and Elisha Gray. Berliner's microphone design utilized a diaphragm attached to a carbon button that varied its resistance when sound waves hit it. This variation in resistance allowed the conversion of sound into electrical signals.
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