A sound diffusion system for directional sound enhancement

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Whereas pulse-echo ultrasound imaging relied on focused acoustic waves since its inception, the last two decades have seen the development of techniques based on unfocused waves, including ultrafast ultrasound imaging. In large part due to the emergence of ...

This contribution presents the design of a compact circularly polarized antenna featuring beamwidth reconfiguration in both the horizontal and vertical planes. The observed radiation patterns in each of the reconfigurable states present axial symmetry and ...

The Dependent Object Type (DOT) calculus was designed to put Scala on a sound basis, but while DOT relies on structural subtyping, Scala is a fundamentally class-based language. This impedance mismatch means that a proof of DOT soundness by itself is ...

Reciprocity guarantees that in most media, sound transmission is symmetric between two points of space when the location of the source and receiver are interchanged. This fundamental law can be broken in non-linear media, often at the cost of detrimental i ...

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Controlling audible sound requires inherently broadband and subwavelength acoustic solutions, which are to date, crucially missing. This includes current noise absorption methods, such as porous materials or acoustic resonators, which are typically ineffic ...

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A remote microphone (RM) system can be used in combination with wearable binaural communication devices, such as hearing aids (HAs), to improve speech intelligibility. Typically, a speaker is equipped with a body-worn microphone which enables to pick up th ...

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The present paper discusses the climatic effects of humidity and temperature on cochlear implant functioning and the quality of the electrical sound signal. MATLAB Simulink simulations were prepared, offering insights into signal behavior under such climat ...

The acoustics of a room often refer to the quality of the room in terms of sound recording as well as sound reproduction. At low frequencies, where the wavelengths are of the same order of magnitude with the dimensions of the room, due to the standing wave ...

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Inspired by the human ability to localize sounds, even with only one ear, as well as to recognize objects using active echolocation, we investigate the role of sound scattering and prior knowledge in regularizing ill-posed inverse problems in acoustics. In ...

An accurate knowledge of the sound field distribution inside a room is required to identify and optimally locate corrective measures for room acoustics. However, the spatial recovery of the sound field would result in an impractically high number of microp ...

A sound diffusion system for directional sound enhancement

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Circularly polarized planar antenna with axially symmetric beamwidth reconfigurability

Type-Preserving Compilation of Class-Based Languages

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Analysis of Non-Canonical Body-Conformal Arrays with Polarization Decomposition

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Auditory externalization of a remote microphone signal

Multi-antenna 3D pattern design for millimeter-wave vehicular communications

Sound and Complete Verification of Polynomial Networks

Electrical Signal Modeling in Cochlear Implants. Study of Temperature and Humidity Effects

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Inverse design of diffractive optical elements using step-transition perturbation approach

Uncertain Sampling with Certain Priors

Characterization of Non-Stationary Signals in Electric Grids: a Functional Dictionary Approach

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Good Vibrations and Unknown Excitations

Low frequency sound field reconstruction in a non-rectangular room using a small number of microphones