METHOD AND DEVICE FOR CONTROLLING THE PROGRESSION OF ACOUSTIC WAVES ON A WALL
DE602020073194T2Active Publication Date: 2026-06-10CENT NAT DE LA RECH SCI (C N R S) +2
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- CENT NAT DE LA RECH SCI (C N R S)
- Filing Date
- 2020-12-11
- Publication Date
- 2026-06-10
AI Technical Summary
Technical Problem
Existing acoustic treatments for reducing noise pollution are ineffective in broad frequency bands, bulky, and lack adaptability, with passive techniques failing to address low frequencies and active systems being non-distributed and inefficient.
Method used
A method and device using a cellular arrangement of microphones and loudspeakers with a control unit for real-time adaptive control of generalized acoustic impedance, allowing localized and non-localized noise management through a distributed and modular system.
Benefits of technology
Achieves efficient noise reduction across a wide frequency range, including low frequencies, with a reduced footprint and adaptability to varying conditions, while minimizing bulk and energy consumption.
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