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The jammer emits a band to block the microphone on the connected speaker

I really want a small jammer that can block the microphone, which can cause a bad network situation for calls that I don't want to answer.

asked June. 22 '20 at 08:15

Answers

This jammer wristband prevents the connected speakers from listening to your voice, and the language assistant conquers our interior. They can not only control multimedia devices through voice, but also control multimedia devices through home automation, and (almost) solve all problems. However, for users, the main consideration is to have a system to turn on the microphone at home. For the user's reasonable consideration, the manufacturer has integrated physical buttons, which can theoretically prevent eavesdropping. But obviously, for these two professors of computer science at the University of Chicago who are developing smart devices, this precaution is not enough.

Interfering with the bracelet, with the support of the assistant professor, Mr. Zhao and Ms. Zheng imagined and designed a bracelet that might damage the nearby microphone. The suspicious system includes 24 speakers that emit ultrasound to block the microphone on the connected speakers.

As the New York Times reported, researchers at Northeastern University David Choffnes and Daniel Dubois recently conducted an experiment to analyze the triggering conditions when connecting speakers in a room where the TV is on. As a result, there are a lot of "accidental" eavesdropping, and the concern for privacy is reasonable.

Devices like this portable jammer wristband can be a reassuring solution for users. However, we can assume that it will also affect the microphone of the smartphone... This may soon become a problem. Pets also have ultrasound problems, which are inaudible to humans, but can cause discomfort to dogs.