A '''microphone''' or '''mike''' is device that is [[acoustic]] to [[electric]]. It has a [[sensor]] that the [[sound]] in the [[air]] into an [[electrical signal]]. Microphones are used in numerous devices such as [[telephone]]s, [[cellular phone]], [[amateur radio]], [[two-way radio]]s, etc. | A '''microphone''' or '''mike''' is device that is [[acoustic]] to [[electric]]. It has a [[sensor]] that the [[sound]] in the [[air]] into an [[electrical signal]]. Microphones are used in numerous devices such as [[telephone]]s, [[cellular phone]], [[amateur radio]], [[two-way radio]]s, etc. |