2023-05-01: Summary of "Wearable Microphone Jamming"
In " Wearable Microphone Jamming " ( CHI, 2020 ), Chen et al. explored and built a wearable device to disable surrounding microphones. Voice assistants like Alexa, Siri, and Google Assistant are widely used nowadays. Due to the increase in these voice assistants, a new security problem was also created. Since they can listen, record, and also save sensitive user data not only by using them. However, when they are used by surrounding users, is there any solution for these microphones' misuse? Chen et al. have come up with the idea of a bracelet that can disable its surrounding microphone by emitting ultrasonic noise. This ultrasonic noise is emitted randomly in the form of white noise in the range of 24 kHz to 26 kHz. This bracelet can disable or block hidden microphones in the wearer's surroundings, and it's based on the fact that when the microphone is exposed to ultrasonic noise then noise can leak into the audible range. Moreover, due to the natural hand moveme...