Microphone is a organ that can conversion the sound signal to the electrical signal.We called it mike or microphone. The microphone good or bad directly affects the sound quality.

It has many sorts, when classified based on the elements of transform power. There are:Electric style、capacitive style、electromagnetic style、piezoelectricity style、semiconductor style.When based on the direction of the sound wave, it can be separated into two sorts:Omni-directional and directional, the direction ones include heart direction, strong direction and double direction etc.