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Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response
STANDARD published on 10.11.2004
Designation standards: IEC 61094-6-ed.1.0
Publication date standards: 10.11.2004
SKU: NS-412414
The number of pages: 53
Approximate weight : 159 g (0.35 lbs)
Country: International technical standard
Category: Technical standards IEC
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. La presente partie de la CEI 61094 - donne les lignes directrices pour la realisation de grilles dentrainement destinees aux microphones possedant une membrane faite dans un materiau electriquement conducteur; - donne des methodes pour la validation des grilles dentrainement; - donne une methode pour determiner la reponse dun microphone a la grille dentrainement. Les applications des grilles dentrainement ne sont pas completement decrites dans cette norme mais peuvent comprendre - une technique pour detecter les variations de la reponse en frequence dun microphone, - une technique pour determiner linfluence des conditions ambiantes sur la reponse dun microphone, - une technique de determination de la reponse en frequence en champ libre ou en pression dun microphone sans necessiter un equipement acoustique specifique, par application de valeurs de corrections predeterminees specifiques des modeles de grille dentrainement et de microphone utilises, - une technique detalonnage applicable aux frequences elevees non couvertes specifiquement par des methodes detalonnage utilisant une excitation acoustique.
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