Title  Description  Supervisors Status ↓
Implementation of an active sourdine for wind instruments Electroacoustic resonators are devices comprising (at least) one electrodynamic loudspeaker and an electronic instrumentation (feedback based on pressure/velocity sensing ... Hervé Lissek, Etienne Rivet, Romain Boulandet Available  More
Development of an active acoustic metasurface Metamaterials are engineered materials with a subwavelength structure that enables extraordinary propagation and manipulation of waves. In acoustics, they can ... Thomas Laurence Available  More
Design of a new flat loudspeaker concept The electrodynamic moving-coil loudspeaker, as patented by Kellogg and Rice in 1924, is the most spread electroacoustic diffuser in the ... Thomas Laurence Available  More
Development of a remote quiet zone demo In many workspaces, low-frequency noises (LFN), as experienced with industrial machinery, electric transformer and air flow machinery, are the most ... Romain Boulandet Available  More
In-Situ Assessment of Active Electroacoustic Absorbers in Rooms at Low-Frequencies Room modes can significantly impair the quality of sound diffusion, in particular at low-frequencies and in small auditoria. These low-frequency ... Thach Pham Vu Available  More
VENOVA : an actively modified cylindrical cross-saxophone After some research, modeling, computations, adjustments and a bit of luck, the team of engineers from Yamaha have developed a ... Thomas Laurence Available  More
Implementation of a low-cost real-time reverberation algorithm The LTS2-Acoustics is working on binaural audio synthesis for applications in hearing aid technologies. Our activities deal with the improvement ... Vincent Grimaldi Available  More
Multi-actuated panel for active sound absorption The distributed mode loudspeaker (DML) technology is a flat panel loudspeaker from which sound is generated a set of electromechanical ... Hervé Lissek Available  More
Development of a "noise radar" to track noisy cars Microphone arrays can be used to locate and track moving sound sources, thanks to advanced signal processing techniques. Such techniques ... Hervé Lissek Available  More
Room modes identification and characterization and its potential application Room modes can significantly impair the quality of sound diffusion, in particular at low-frequencies and in small auditoria. These low-frequency ... Thach Pham Vu Available  More
Development, assessment and optimization of an Active Nonlinear Electroacoustic Resonator Acoustic metamaterials (AMMs) and metasurfaces (AMSs) are engineered structures aimed at achieving unprecedented acoustic properties not available in nature. They ... Xinxin Guo Available  More
Implementation of a low computational cost reverb algorithm The LTS2-Acoustics is working on binaural audio synthesis for applications in hearing aid technologies. Our activities deal with the improvement ... Gilles André Courtois, Vincent Grimaldi Assigned  More
Music outside the head In nature and most daily life situations, sounds of the world are naturally perceived as coming from outside the head ... Vincent Grimaldi Assigned  More
Developpement of an active noise control umbrella SounDDot is a technology recently developed in the laboratory, providing highly directive sound-diffusion. It is based on an array of ... Romain Boulandet, Thomas Laurence Finished  More
Psychoacoustic comparison of 3D audio rendering In fall 2016, the new building « Under One Roof » will open on the EPFL campus. In this building, an "innovation ... Finished  More
Sound absorption of 3D-printed membranes The 3D printer technology represent now a nainstream tool for designing engineering tools that were not (or almost not) possible ... Hervé Lissek Finished  More
Electroacoustic absorption and Energy harvesting The electroacoustic absorber is an electroacoustic device allowing the control of the acoustic impedance of a loudspeaker diaphragm, in order ... Etienne Rivet Finished  More
Design and optimization of an electroacoustic absorber using multiple resonators The electroacoustic absorber is an electroacoustic device for controlling the acoustic impedance of a closed-box electrodynamic loudspeaker diaphragm, in order ... Etienne Rivet Finished  More
2D electroacoustic metasurface unit-cell Metamaterials are engineered materials with a sub-wavelength structure that enables extra-ordinary propagation and manipulation of waves. Current developments using electrodynamic ... Hussein Esfahlani Finished  More
Psychoacoustic evaluation of the influence of electroacoustic absorbers The electroacoustic absorber is an electroacoustic device for controlling the acoustic impedance of a closed-box electrodynamic loudspeaker diaphragm. Using a ... Etienne Rivet Finished  More
Electroacoustic metamaterials Metamaterials are engineered materials with a sub-wavelength structure that enable extra-ordinary propagation and manipulation of waves. Current developments using electrodynamic ... Etienne Rivet Finished  More
All about that bass! Bass music enthusiasts appreciate nothing more than the blast from their subwoofers, expressed as a sustained, powerful low-frequency pitch that ... Benjamin Ricaud Finished  More
Electromechanical synthesis of boxed loudspeaker Loudspeaker systems are a combination of a driver and an acoustic enclosure, that may present different complexity. The most used ... Etienne Rivet Finished  More
Improving the sound diffusion of a distributed mode loudspeaker through active structural acoustic control The distributed mode loudspeaker (DML) technology is a flat panel loudspeaker from which sound is generated a set of electromechanical ... Romain Boulandet Finished  More
Compressive sensing applied to the characterization of low-frequency room modes Rooms with wide dimensions present a modal behaviour due to stationnary waves at low frequencies. This behaviour may have prejudicial ... Benjamin Ricaud Finished  More