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  4. Design and Electroacoustic Analysis of a Piezoelectric MEMS In-Ear Headphone
 
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2019
Conference Paper
Titel

Design and Electroacoustic Analysis of a Piezoelectric MEMS In-Ear Headphone

Abstract
This article takes an in-depth look at an in-ear headphone demonstrator with a piezoelectric MEMS driver. The MEMS transducer and the demonstrator system including earphone enclosure, signal processing, and application-specific amplifier are described. The main focus of this study lies on an exhaustive electroacoustic analysis of a MEMS earphone, comprising an electrical impedance measurement, various acoustical measurements, and an investigation of the thermal behavior of piezoelectric MEMS drivers. The results show the high potential of this technology for in-ear applications and promise even greater acoustic performance with future improvements.
Author(s)
Männchen, Andreas
Stoppel, Fabian
Brocks, Tobias
Niekiel, Florian
Beer, Daniel
Wagner, Bernhard
Hauptwerk
AES International Conference on Headphone Technology 2019. Proceedings
Konferenz
International Conference on Headphone Technology 2019
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English
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Fraunhofer-Institut für Digitale Medientechnologie IDMT
Fraunhofer-Institut für Siliziumtechnologie ISIT
Tags
  • in-ear applications

  • MEMS earphone

  • piezoelectric MEMS dr...

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