The Signtel Interpreter by Signtel, Inc.

Sign Language teacher
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A Ph.D. in physics from the University of Oxford in England, Raanan Liebermann was the researcher responsible for solving the longstanding mystery of the Pulsar radio emission. Raanan Liebermann works as the president and chief of technology for Signtel, Inc., a company based in North Haven, Connecticut, researching and developing products for deaf, blind, and both deaf and blind persons, utilizing artificial intelligence. Signtel, Inc., was established in 2000 with a mission to develop and bring to market innovative assistive devices and assistive technology to serve the deaf, hard of hearing, visually impaired, blind, deaf-blind and deaf low-vision communities. The company's employees have been essential to the development of assistive device technologies such as the Signtel Interpreter (SI), Sign Language e-book, Inclusive Emergency Alert System, and the Electronic Cane for the blind and deaf and blind (e-Cane). The SI translates speech and written texts into sign language, with a comprehensive dictionary engine that recognizes and translates over 30,000 English words and 1,400 English idioms and phrases. This software is unique, with seamless connectivity between signs, a feature that was patented by Signtel in 2010. Among the people who developed the SI technology culminating in the software were over 100 deaf and blind assistant product developers, professional sign language interpreters and instructors, sign language linguists, and adult hearing children of deaf parents.