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Full Description

This part of IEC 61094
  • gives guidelines for the design of actuators for microphones equipped with electrically conductive diaphragms;
  • gives methods for the validation of electrostatic actuators;
  • gives a method for determining the electrostatic actuator response of a microphone.
The applications of electrostatic actuators are not fully described within this standard but may include
  • a technique for detecting changes in the frequency response of a microphone,
  • a technique for determining the environmental influence on the response of a microphone,
  • a technique for determining the free-field or pressure response of a microphone without specific acoustical test facilities, by the application of predetermined correction values specific to the microphone model and actuator used,
  • a technique applicable at high frequencies not typically covered by calibration methods using sound excitation.

Cross References:
IEC 61094-1
IEC 61094-2
IEC 61094-3
IEC 61094-5
EN 61094-1:2000
EN 61094-2:1993
EN 61094-3:1995
EN 61094-5:2001