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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-speci?c ampli?er 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
Affiliation:
Fraunhofer Institute for Digital Media Technology IDMT, Ilmenau, Germany; Fraunhofer Institute for Silicon Technology ISIT, Itzehoe, Germany
(See document for exact affiliation information.)
Publication Date:
2019-08-06
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Permalink: https://aes2.org/publications/elibrary-page/?id=20524
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Männchen, Andreas; Stoppel, Fabian; Brocks, Tobias; Niekiel, Florian; Beer, Daniel; Wagner, Bernhard; 2019; Design and Electroacoustic Analysis of a Piezoelectric MEMS In-Ear Headphone [PDF]; Fraunhofer Institute for Digital Media Technology IDMT, Ilmenau, Germany; Fraunhofer Institute for Silicon Technology ISIT, Itzehoe, Germany; Paper 14; Available from: https://aes2.org/publications/elibrary-page/?id=20524
Männchen, Andreas; Stoppel, Fabian; Brocks, Tobias; Niekiel, Florian; Beer, Daniel; Wagner, Bernhard; Design and Electroacoustic Analysis of a Piezoelectric MEMS In-Ear Headphone [PDF]; Fraunhofer Institute for Digital Media Technology IDMT, Ilmenau, Germany; Fraunhofer Institute for Silicon Technology ISIT, Itzehoe, Germany; Paper 14; 2019 Available: https://aes2.org/publications/elibrary-page/?id=20524
@article{männchen2019design,
author={männchen andreas and stoppel fabian and brocks tobias and niekiel florian and beer daniel and wagner bernhard},
journal={journal of the audio engineering society},
title={design and electroacoustic analysis of a piezoelectric mems in-ear headphone},
year={2019},
number={14},
month={august},}
TY – paper
TI – Design and Electroacoustic Analysis of a Piezoelectric MEMS In-Ear Headphone
AU – Männchen, Andreas
AU – Stoppel, Fabian
AU – Brocks, Tobias
AU – Niekiel, Florian
AU – Beer, Daniel
AU – Wagner, Bernhard
PY – 2019
JO – Journal of the Audio Engineering Society
VL – 14
Y1 – August 2019