microphonen.麦克风；扩音器microphone J-Horner传声器插孔microphone receptacle传声塞孔microphone disturbance传声器干扰效应,颤噪效应microphone noise level传声器噪声级microphone directivity传声器指向性microphone transmitter送话器microphone sensitivity传声器灵敏度microphone transformer话筒变压器,传声器变压器microphone booster set送话器升压器microphone sub-arrays麦克风嵌套子阵列