This is an interesting position paper by Dr. Jamie Ward at Department of Psychology, University of Sussex, UK. about the vOICe. The paper is backed by a small survey too. Dr. Ward is trying to answer the following3 questions.
(1. What do potential blind users want out of a visual-to-auditory device?
2. How do different operating characteristics of the device affect objective
3. What are the subjective experiences of expert users of the device?