 optophon ‌ nu kanipettina vachanam nundi sangrahinchandi .
 optophon anede andhulu upayoegimchae ooka parikaram ,  idi text ‌ ni scaen chesthundu mariyu aksharaalanu gurthinchadaaniki ton ‌ l same - maarna teegalanu utpatthi chesthundu .  idi sonification yokka mottamodati aplikeshanlalo okati .  birming ‌ haam univarsitiiki chendina dr .  edmond fornier di ' albey  1913 loo optophon ‌ nu kanipettaaru ,  idi selenium photosensor ‌ lanu upayoginchi black print ‌ nu gurthinchi ,  dhaanini ooka andhudu ardham chesukogalige vinagala avut ‌ putt ‌ gaaa marchindhi .  glasgo kompany ,  bars mariyu stroud ,  parikaram yokka reselution mariyu viniyoganni meruguparachadamlo paalgonnaru .
 dr edmond fornier di ' albe 