• HOME
  • NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • INSTAGRAM
    • TWITTER
Tuesday, August 5, 2025
BIOENGINEER.ORG
No Result
View All Result
  • Login
  • HOME
  • NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
        • Lecturer
        • PhD Studentship
        • Postdoc
        • Research Assistant
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • INSTAGRAM
    • TWITTER
  • HOME
  • NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
        • Lecturer
        • PhD Studentship
        • Postdoc
        • Research Assistant
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • INSTAGRAM
    • TWITTER
No Result
View All Result
Bioengineer.org
No Result
View All Result
Home NEWS Science News Chemistry

A wearable vibration sensor for accurate voice recognition

Bioengineer by Bioengineer
June 24, 2019
in Chemistry
Reading Time: 2 mins read
0
Share on FacebookShare on TwitterShare on LinkedinShare on RedditShare on Telegram

The research group led by Professor Kilwon Cho and Professor Yoonyoung Chung developed a skin-attachable vibration sensor for voice recognition

Credit: POSTECH

A voice-recognition feature can be easily found on mobile phones these days. Often times, we experience an incident where a speech recognition application is activated in the middle of a meeting or a conversation in the office. Sometimes, it is not activated at all regardless of numbers of times we call out the application. It is because a mobile phone uses a microphone which detects sound pressure to recognize voice, and it is easily affected by surrounding noise and other obstacles.

Professor Kilwon Cho of Chemical Engineering and Professor Yoonyoung Chung of Electronic and Electric Engineering from POSTECH successfully developed a flexible and wearable vibration responsive sensor. When this sensor is attached to a neck, it can precisely recognize voice through vibration of the neck skin and is not affected by ambient noise or the volume of sound.

The conventional vibration sensors recognize voice through air vibration and the sensitivity decreases due to mechanical resonance and damping effect, therefore are not capable of measuring voices quantitatively. So, ambient sound or obstacles such as mouth mask can affect its accuracy of voice recognition and it cannot be used for security authentication.

In this study, the research group demonstrated that the voice pressure is proportional to the acceleration of neck skin vibration at various sound pressure levels from 40 to 70 dBSPL and they developed a vibration sensor utilizing the acceleration of skin vibration. The device, which is consisted of an ultrathin polymer film and a diaphragm with tiny holes, can sense voices quantitively by measuring the acceleration of skin vibration.

They also successfully exhibited that the device can accurately recognize voice without vibrational distortion even in the noisy environment and at a very low voice volume with a mouth mask worn.

This research can be further extended to various voice-recognition applications such as an electronic skin, human-machine interface, wearable vocal healthcare monitoring device.

Professor Kilwon Cho explained the meaning of this study in his interview. “This research is very meaningful in a way that it developed a new voice-recognition system which can quantitively sense and analyze voice and is not affected by the surroundings. It took a step forward from the conventional voice-recognition system that could only recognize voice qualitatively.”

###

This research was supported by the Center for Advanced Soft Electronics under the Global Frontier Research Program of The Ministry of Science and ICT, Korea. Further results of this study can be found on the website of Nature Communications, published on the 18th of June.

Media Contact
HYEYONG CHOI
[email protected]

Original Source

http://www.postech.ac.kr/eng/a-wearable-vibration-sensor-for-accurate-voice-recognition/

Related Journal Article

http://dx.doi.org/10.1038/s41467-019-10465-w

Tags: Chemistry/Physics/Materials SciencesElectrical Engineering/ElectronicsHealth Care Systems/ServicesHearing/SpeechMaterialsSuperconductors/SemiconductorsTelecommunications
Share12Tweet8Share2ShareShareShare2

Related Posts

blank

Hundreds of Satellite Systems Discovered Orbiting Dwarf Galaxies in New Survey

August 5, 2025
Harnessing Nature: Exploring Bush Basil Companion Plants for Organic Pest Control

Harnessing Nature: Exploring Bush Basil Companion Plants for Organic Pest Control

August 5, 2025

Diastereodivergent Routes to Multi-Substituted Cycloalkanes

August 5, 2025

UofL Study Reveals Amplified Liver Damage from Combined Exposure to Alcohol and “Forever Chemicals”

August 5, 2025
Please login to join discussion

POPULAR NEWS

  • blank

    Neuropsychiatric Risks Linked to COVID-19 Revealed

    72 shares
    Share 29 Tweet 18
  • Overlooked Dangers: Debunking Common Myths About Skin Cancer Risk in the U.S.

    61 shares
    Share 24 Tweet 15
  • Predicting Colorectal Cancer Using Lifestyle Factors

    46 shares
    Share 18 Tweet 12
  • Dr. Miriam Merad Honored with French Knighthood for Groundbreaking Contributions to Science and Medicine

    47 shares
    Share 19 Tweet 12

About

We bring you the latest biotechnology news from best research centers and universities around the world. Check our website.

Follow us

Recent News

World Models Power End-to-End Accident Prediction

Deep Sequencing Reveals Plasmodium vivax Lineages

Enamel Rod-End Patterns: New Forensic ID Tool?

  • Contact Us

Bioengineer.org © Copyright 2023 All Rights Reserved.

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In
No Result
View All Result
  • Homepages
    • Home Page 1
    • Home Page 2
  • News
  • National
  • Business
  • Health
  • Lifestyle
  • Science

Bioengineer.org © Copyright 2023 All Rights Reserved.