2 papers
physics.app-ph2025
Supersonic wave propagation in active non-Hermitian acoustic metamaterials
Kangkang Wang, Felix Langfeldt, Chen Shen +4
Obtaining a group velocity higher than the speed of sound in a waveguide is a challenging task in acoustic wave engineering. Even more challenging is to achieve this velocity incre…
cs.CV2023
Active headrest combined with a depth camera-based ear-positioning system
Yuteng Liu, Haowen Li, Haishan Zou +2
Active headrests can reduce low-frequency noise around ears based on active noise control (ANC) system. Both the control system using fixed control filters and the remote microphon…