Although our voices are increasingly used for biometrics, they are not an absolutely reliable form of ID. For example, people can imitate us or can use an edited sound recording. With this in mind, researchers at the University of Michigan have created VAuth ("vee-auth") technology, which adds more security to the technology. The VAuth technology was developed by a team led by Professor Kang Shin. The hardware structure of VAuth can be in the form of necklaces, earplugs or glasses. Regardless of the form, it includes an accelerometer that detects small vibrations on the wearer's face, throat or chest skin. The way in which precise vibrations match specific sounds constitutes a unique “signature†for everyone. VAuth will be combined with traditional voiceprint recognition to form a very safe hybrid system. In a lab test using 18 users and 30 voice commands, VAuth has a detection accuracy of 97%. It also withstands a variety of practical attacks, such as simulating or playing a recording. Shin said: "More and more voices are used as a security feature, but in reality there are big loopholes. If a system only uses your voice signature, it can be very dangerous, we believe you must have a The second channel to authenticate the owner of the sound." The university applied for a patent and is currently seeking business partners to help bring VAuth to market.
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VAuth technology can "perceive" your voice in your skin