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Michael Callahan & Thomas Coleman - Audeo: 'Speak Your Mind', sEMG-driven Interface 2005-07

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Published on Jun 4, 2009

The Audeo is being developed to create a human-computer interface for communication. When a person intends to speak their brain sends muscle instructions in the form of electrical signals through the nervous system. These electrical signals stimulate the muscles to, under normal circumstances, produce the desired speech. In many cases however, disease or disability can prevent the muscles from responding to this stimulation. The Audeo gets around this by directly utilizing the electrical activity itself, which even in severe cases can still be present.
The Audeo sensor is similar to a highly integrated, extremely sensitive surface electromyography (sEMG) sensor in that it noninvasively detects differential electrical activity of a muscle at the surface of the skin. However, the Audeo differs in that it actively processes the activity to make it a useful control signal. This control signal can then be connected to a speech engine in various ways to give back to a person, the ability to communicate.
More info: http://www.theaudeo.com/index.php

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