【用耳朵作密码,你愿意吗?】

【用耳朵作密码,你愿意吗?】NEC公司研发了一款新的识别用户系统,让你能用耳朵作为“密码”。它不需要扫描,而是依靠耳机内置传感器接收并计算声音在耳腔内的共鸣情况完成对个体身份的验证。研发人员认为,每个人的耳朵是独一无二的,这套系统可实现99%的精确认证。预计该系统将在2018年亮相。

Your EAR canal could soon be your password: New system uses sound to analyse the shape of ‘unique’ cavity

  • New biometric identification system uses sound resonation in ear cavities
  • Cavities are uniquely shaped for every person so system is highly accurate
  • Earbud transmits signals which are received with embedded microphone

The earbud technology measures acoustic characteristics to recognize a person with more than 99 percent accuracy. It doesn't require scanning, instead relying on an earphone with a built in microphone to receive and calculate sounds so it can be used during movement or while a person is working

A new identification system uses your ear as the password, distinguishing between individuals by the resonation of sound in the ear cavities.

The earbud technology, developed by NEC Corporation, measures acoustic characteristics to recognize a person with more than 99 percent accuracy.

It doesn't require scanning, instead relying on an earphone with a built in microphone to receive and calculate sounds so it can be used during movement or while a person is working.

 

The new biometric personal identification system measures acoustic characteristics within roughly one second.

A person's ear cavities have their own shape, unique to each individual.

The system transmits a few hundred milliseconds of sound signals from the earphone speaker into the ear.

An embedded microphone then receives the signals.

As this happens, a synchronous addition method calculates the average of the waveforms of the signals received, and eliminates the noise.

Then, it calculates how the sound resonates within the ear cavity.

Despite its many moving parts, the company says the system performs these processes instantaneously, within one second, to rapidly obtain measurements.

 

In the experiments, researchers found that there were two types of components important for accurate recognition as the signals pass through the ear: signals passing through the external ear canal and reflected by the tympanic membrane, and signals passing through the tympanic membrane and reflected within the inner part of the ear.

The tympanic membrane is more commonly known as the eardrum.

A person's ear cavities have their own shape, unique to each individual. The system transmits a few hundred milliseconds of sound signals from the earphone speaker into the ear. An embedded microphone then receives the signals, device calculates how sound resonates

By extracting feature values from these different types of signals, the device can obtain stable measurements, making for a highly accurate recognition.

The researchers say this ear-based biometric technology performs with more than 99 percent accuracy.

'Since the technology does not require particular actions such as scanning a part of the body over an authentication device, it enables a natural way of conducting continuous authentication, even during movements and while performing work, simply by wearing an earphone with a built-in microphone to listen to the sounds within ears,' said Shigeki Yamagata, general manager, Information and Media Processing Laboratories, NEC Corporation.

This type of biometric authentication system has potential for widespread applications in the prevention of fraud.

Real-world applications could include the maintenance, management, and security of critical infrastructure, and more secure wireless communications.

The company says it has plans to commercialize the new system within the 2018 fiscal year.

http://www.dailymail.co.uk/sciencetech/article-3484262/Your-EAR-canal-soon-password-New-uses-sound-analyse-shape-unique-cavity.html


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