According to foreign media reports, it has become more and more common to use fingerprint scanning technology to unlock mobile devices, and iris and facial recognition unlocking technology is also in the process of development. But the next major bio-unlocking solution may come from our skull. Recently, a team of researchers from the University of Stuttgart, the University of Saarland, and the Planck Institute of Informatics developed a system called SkullConduct, which uses the unique sound of the skull to unlock the device.
First, the research team remodeled Google Glass by placing a bone conduction speaker and a bone conduction microphone inside the lens so that the user could wear the two key components of the system on the head.
After the user wears it, the device will play audio for 1 second. It is reported that this audio is undetectable by the human ear. After that, the microphone on the Glass will be identified and recorded by the sound of the skull. Since each person's skull structure is unique, this reflected sound is unique. Moreover, this authentication method does not require the user to write down anything or make a certain physical movement.
The research team said that the success rate of SkullConduct is as high as 97%.
Now, SkullConduct is still in the early stage of development, so it has to face some restrictions, such as the impact of ambient noise on the pickup, the change in user weight will change the skull echo.
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