Inventor Benn Jordan built a speech-jamming sonic weapon that actually works, and he proved it by demonstrating the device at a hotel lobby filled with people. How does it work? Put simply, hypersonic sound arrays that layers high-frequency sound waves beyond what the human ear can hear and then using them to generate a lower-frequency sound signal.
Think of this lower-frequency sound signal as a sound laser capable of being pointed at a person. This delayed hypersonic voice signal can be fired at a person’s head with a narrow spatial spread, which means when someone speaks into a microphone connected to the device, delayed audio is sent through the hypersonic array back to the speaker’s ears. The result is muffled speech as their brain just cannot process the signal.
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