ADI's bottom sound hole MEMS microphone can be soldered directly to the PCB by reflow soldering. A hole needs to be made in the PCB to pass sound into the microphone package. In addition, the hous...
An anechoic chamber is a space that can completely absorb sound waves. The room is insulated from external noise, with wedge-shaped fiberglass wool covering the entire ceiling, floor and walls, wh...