#ECM

An Intercom system is a two-way communication device that contains electronic circuitry for the purpose of transmitting and receiving audio and/or video signals.

Operation of an Electret Condenser Microphone (ECM) As we discussed in our last blog Anatomy of an Electret Condenser Microphone, the basic structure of an Electret Condenser Microphone (ECM) is a pair of parallel plates, one of which is a moveable diaphragm, and another is a fixed back plate. A special layer of material called … Continue reading “Operation of an Electret Condenser Microphone (ECM)”