Word Meaning

Meaning of "microphone" and the crossword clue

- A device that converts sound into an electrical signal
- Chopin more confused by voice projector
- Device used when addressing a crowd
- An instrument for intensifying and making audible very feeble sounds. It produces its effects by the changes of intensity in an electric current, occasioned by the variations in the contact resistance of conducting bodies, especially of imperfect conductors, under the action of acoustic vibrations.