An electroacoustic analogy is developed to analyze the open-circuit sensitivity, noise-canceling effect and frequency response of electret condenser microphones. In contrast to conventional models of electret condenser microphones in the literature, the present electroacoustic analogy analysis (E.A.A.) model details the open-circuit sensitivity, noise-canceling effect and frequency response of microphones. Two commercially available electret condenser microphones are analyzed to demonstrate the model. The results show that the calculating results of discussed microphones consist with the measuring data.
Affiliation: Industrial Technology Research Institute
AES Convention: 119 (October 2005) Paper Number: 6616
Publication Date: October 1, 2005
Subject: Miscellaneous Audio Topics
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