Summary2
From EQUIS Lab Wiki
a pair of eyeglasses with two-dimentional red LED and associated electronics was developed. the display is only visible to the wearer.. located in the temporal field and horizontal meridian of the right eye.
selected speech features were encoded as visual patterns to aid lipreaders. features included fundamental frequency of the speech, high-frequency energy, low passed speech signal or total energy envelope. provided info about voicing and plosition/frication.
resutls: presenting vowel-consonant-vowel syllables, the performance was in excess of 76% with the device, 41% without the device.