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HomeTechEchoSpeech: AI-equipped eyeglasses can read the silent speech

EchoSpeech: AI-equipped eyeglasses can read the silent speech

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Cornell’s Smart Computer Interfaces for Future Interactions (SciFi) Lab has built AI-equipped eyeglasses called EchoSpeech- a silent-speech recognition interface.

Based on lip and mouth movements, Echospeech continually recognizes up to 31 unvocalized commands using acoustic detection and artificial intelligence. The interface uses low power and requires just a few minutes of user training data before it will recognize commands and can be run on a smartphone.

EchoSpeech transmits inaudible sound waves toward the skin using speakers and microphones positioned on a glass frame. EchoSpeech collects small skin deformations brought on by silent utterances and uses them to infer silent speech by analyzing echoes from numerous paths.

Echospeech addressed those challenges that can recognize both discrete and continuous speech.

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Ruidong Zhang said, “For people who cannot vocalize sound, this silent speech technology could be an excellent input for a voice synthesizer. It could give patients their voices back.”

The EchoSpeech glasses transform into a wearable AI-powered sonar system, sending and receiving soundwaves across the face and tracking lip movements when equipped with a pair of microphones and speakers no larger than pencil erasers. Then, with around 95% accuracy, a deep learning algorithm created by SciFi Lab researchers examines these echo profiles in real-time. Cheng Zhang, assistant professor of information science in the Cornell Ann S. Bowers College of Computing and Information Science and director of the SciFi Lab, said, “We’re very excited about this system because it pushes the field forward on performance and privacy. It’s small, low-power, and privacy-sensitive, all important features for deploying new, wearable technologies in the real world.”

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