vOICe Encoding Scheme (IMAGE) California Institute of Technology Caption Depiction of the vOICe encoding scheme. A camera mounted on glasses records video that is converted to sound by a computer and transmitted to headphones in real time. Credit Shimojo Lab/Caltech Usage Restrictions With image credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.