What Is Pressure Microphone?

- Jul 02, 2018-

The diaphragm is affected by sound waves on one side, and the microphone on the other side is blocked by sound waves. The structure is that the sealed shell is added behind the diaphragm, or there is a barrel hole that communicates the external pressure and the internal pressure on the shell. For the rapid pressure change of the sound wave, the connecting hole presents a high resistance, and the atmospheric pressure The change does not show any resistance, so it can be assumed that the external and internal atmospheric pressures are always equal, and the sound waves only act on the diaphragm surface.

 

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