Əmik ən awadəm wa igan Optophone.
Context:Optophone eqqal asuj s axdaman addinat wi iderɣalan, isaknen akatab tolas idlajan chords n timɣutar i musnat n tiɣir Eqal iyan dǎɣ wi dazarnen igitan atiwazaynen ən sonification. Dr. Edmund Fournier d'Albe wan Birmingham University eɣna optophone daɣ awatay wan 1913 exdam selenium photosensors i afissar n akatab eɣchadan tolas amutti net s data wa s addobat awadim wa dallol afissar net Taggayt tan Glasgow, Barr d Stroud, idhal daɣ asiwad n almaɣna d alxidmat n asuj
Dr. Edmund Fournier d'Albe