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Boundary-Layer Microphones with Directional Characteristics

In recent years boundary-layer microphones with pressure transducers have come into use. Here, an electret capsule is either positioned with its diaphragm opposed but nearly flush with a hard surface or mounted totally flush in the surface, facing the sound-source. If a suited pressure-gradient transducer is mounted with its main axis parallel to the boundary, any directional characteristic can be achieved such as half-cardioid or half-hypercardioid, making use of all advantages of the boundary-layer microphony and also creating very advantageous directivity patterns.

Author: Beckmann, B.
Affiliation: SENNHEISER ELECTRONIC, NEDEMARK, W.GERMANY
AES Convention:75 (March 1984) Paper Number:2065 Import into BibTeX
Subject:Microphones

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