Microphone, scientific name is microphone, translated from English microphone (microphone), also known as microphone, microphone. A microphone is an energy conversion device that converts a sound signal into an electrical signal.
The classifications include moving coil, capacitive, electret and recently emerging silicon micro-microphones, in addition to liquid microphones and laser microphones. Most microphones are electret condenser microphones, which work by using a polymeric diaphragm with permanent charge isolation.
