capacitor microphone meaning in English

电容传声器
电容式传声器
电容式微音器
静电传声器

Pcm precision capacitor microphone
精密电容话筒
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。