RTI uses cookies to offer you the best experience online. By clicking “accept” on this website, you opt in and you agree to the use of cookies. If you would like to know more about how RTI uses cookies and how to manage them please view our Privacy Policy here. You can “opt out” or change your mind by visiting: http://optout.aboutads.info/. Click “accept” to agree.
For hard of hearing people, speech sounds are recognized
electronically and displayed on eyeglasses at syllable speed,
consonants are shown as a symbol resembling a hand sign, and vowels
by the symbol's location in a quadrant display, or by color.
RTI shares its evidence-based research - through peer-reviewed publications and media - to ensure that it is accessible for others to build on, in line with our mission and scientific standards.