| 摘要 |
<p>A microphone module includes an outer housing and a microphone apparatus. The outer housing includes port that extends through the outer housing. The microphone apparatus is disposed in the outer housing and defines an extended back volume with the outer housing. The microphone apparatus includes a microphone apparatus housing, an acoustic sensing element, a front volume, and a back volume. The acoustic sensing element is disposed within the microphone apparatus housing. An opening in the microphone apparatus housing allows the extended back volume to communicate with the back volume.</p> |
