Microelectromechanical system (MEMS) microphones offer plenty of advantages typical of MEMS devices, including tiny size, low power usage, and consistent performance over time and temperature. But the audio specifications of these microphones have not been sufficient for certain designs — including ones where you need to capture sound from a distance or use multiple microphones. Now high performance MEMS mics are changing what is possible, and many acoustics experts would say self noise is the first specification to consider.
