Publication
Toward Wideband Steerable Acoustic Metasurfaces with Arrays of Active Electroacoustic Resonators
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2018Duct modes damping through an adjustable electroacoustic liner under grazing incidence
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2018On the Optimisation of Multi-Degree-of-Freedom Acoustic Impedances of Low-Frequency Electroacoustic Absorbers for Room Modal Equalisation
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Low-frequency electroacoustic absorbers have recently been developed as a solution for the modal equalisation. Firstly investigated in waveguides, the technique consists in matching the acoustic impedance at a closed-box loudspeaker diaphragm to the charac ...
2017Micromechanical resonators with sub-micron gaps filled with high-k dielectrics
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EPFL2017Broadband Low-Frequency Electroacoustic Absorbers Through Hybrid Sensor-/Shunt-Based Impedance Control
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Institute of Electrical and Electronics Engineers2017Control strategies for a distributed active acoustic skin
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New miniaturization and integration capabilities made available from the emerging MEMS technology allow for the design of artificial linings involving distribution of a large number of elementary cells, that may be composed of loudspeakers and microphones. ...
2015Acoustic Metasurface
Hervé Lissek, Sami Driss Karkar, Seyyed Hussein Seyyed Esfahlani
Metasurfaces have gained fame for their ability to control the transmitted and reflected phase front of waves. Here, we introduce a reflector-type acoustic metasurface designed in such a way to control the phase front of reflected sound waves. The proposed ...
2015