Constant Bourdeloux
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View article: Reconfigurable and active time-reversal metasurface turns walls into sound routers
Reconfigurable and active time-reversal metasurface turns walls into sound routers Open
Sound control in noisy or reverberant spaces is important for applications ranging from communication to immersive audio. However, existing methods often struggle to deliver sound selectively to specific listeners without interference. Her…
View article: Solution to the cocktail party problem: A time-reversal active metasurface for multipoint focusing
Solution to the cocktail party problem: A time-reversal active metasurface for multipoint focusing Open
The cocktail party effect is the capability to focus one’s auditory attention on particular audio sources while ignoring other audio sources. We propose an experimental strategy to reproduce this ability by designing a time-dependent metas…
View article: Towards optimal spatiotemporal wavefront shaping for the cocktail party problem with inverse design of an acoustic reconfigurable metasurface in disordered media
Towards optimal spatiotemporal wavefront shaping for the cocktail party problem with inverse design of an acoustic reconfigurable metasurface in disordered media Open
Multiple-user multiple-input multiple-output applications have recently gained a lot of attention. Here, we show an efficient optimization formulation for the design of all the temporal and spatial degrees of freedom of an acoustic reconfi…