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  • 日本語トップ

English Version of Application Software "KoeTra" for Assisting Hearing-Impaired Persons Has Been Released

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June 30, 2014

NICT has released the English version of the application software “KoeTra” that supports communication between the hearing-impaired and people with normal hearing on June 19, 2014.


In June of 2013, NICT released the Japanese version of the communication support application software "KoeTra" that utilizes both high-speed and accurate automatic speech recognition, as well as high-quality speech synthesis technology.

What's New
Screenshot of the App KoeTra
Screenshot of the App "KoeTra"

After the release of the Japanese version of "KoeTra", we received comments and requests from many users. It is said that the number of hearing-impaired is about 360 million which corresponds to 5% of world population based on WTO standards. In accordance with these needs, we have developed the English version of “KoeTra” and released it as free application software available for iPhone, iPad and iPod touch.

  • How to get the application software
    You can find and download it by searching the App Store with the keyword “KoeTra”.
  • Support page

Future Plans

You can view a demo of the English version of "KoeTra" at our exhibition booth at the Sapporo Convention Center in Sapporo from July 1 to July 4, 2014 in conjunction with the meeting of Study Group 16 (Multimedia coding, systems and applications) of ITU-T (International Telecommunication Union Telecommunication Standardization Sector).

NICT is planning to accelerate the development of useful application software for assisting the hearing-impaired based on experiments and feedback obtained in our field tests.

*App Store is a download service for iPhone, iPad and iPod touch applications that Apple Inc. is running. It is accessible from all over the world via Internet.
*The iPhone, iPad and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries.

Contact Information

Universal Communication Research Institute

Kiyotaka Uchimoto