Digital metamaterial filter for encoding information
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-60170-8
Abstract: A new approach to controlling the flow of a plasmatic electron packet at the interface between metallic and dielectric layers is described. The proposed metamaterial structure operates in the optical frequency range and can be… read more here.
Keywords: digital metamaterial; filter encoding; encoding information; metamaterial filter ... See more keywords
Mitigating Inaudible Ultrasound Attacks on Voice Assistants With Acoustic Metamaterials
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3266722
Abstract: Voice assistants play an important role in facilitating human–machine interactions and have been widely used in audio consumer electronic products. However, it has been shown that they are susceptible to inaudible attacks in which the… read more here.
Keywords: acoustic metamaterials; mitigating inaudible; voice; voice assistants ... See more keywords