capacitor microphone

Effective calibration method for sound pressure sensitivity of capacitor microphone

测试电容传声器声压灵敏度校准方法的研究

Design of heart sound processing analog circuit based on the electret capacitor microphone

基于驻极体电容传声器的心音模拟处理电路的设计

It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals .

该电路涉及到放大、滤波、电平抬升等电路，并给出了安全设计问题，利用驻极体电容传声器来拾取心音信号。

Standard , capacitor or push-pull microphone .

标准、电容器式或推拉式扩音器。