Smart necklace recognizes ‘silent’ English, Mandarin commands

Ruidong Zhang, doctoral student in the field of information science, demonstrates the SpeeChin silent speech recognition device. Credit: Ryan Young/Cornell University

Speech recognition technology allows us to ask Siri to check the weather for tomorrow, or to ask Alexa to play our favorite song.

But those technologies require audible speech. What if a person can’t speak, or if vocalized speech in a particular setting isn’t appropriate?
Cheng Zhang, assistant professor of information science in the Cornell Ann S. Bowers College of Computing and Information Science, and doctoral student Ruidong Zhang have an answer: SpeeChin, a silent-speech recognition (SSR) device …

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