a device for blind people that converts printed words into sounds
optophone in American English
(ˈɑptəˌfoun)
noun
an electronic device that scans ordinary printed characters and produces combinations of sounds, enabling a blind reader to recognize the characters
Word origin
[opto- + -phone]-phone is a combining form meaning “speech sound” (homophone), “an instrument of sound transmission or reproduction” (telephone), “a musical instrument” (saxophone; xylophone)