话筒灵敏度 meaning in English

microphone sensitivity

Dsp digital shift frequency sires is new generation conference system and teaching equipment , which adopts dsp technology . it can lock the point of howl a automatically , dsp digital shift frequency and aptitude mix sound of transmitter
数字自动滤波器，数字话筒智能混音器，数字高低音调节器等多项数字化音频处理模块的技术优势，解决了会议教学扩声中的声反馈问题，可提升话筒灵敏度