Mashoko akatorwa murugwaro rwacho anoratidza kuti ndiani akagadzira Optophone.
Context:Optophone chishandiso, chinoshandiswa nemapofu, chinoongorora mashoko uye chinobudisa nhevedzano dzenzwi dzinosiyana-siyana nenguva kuti dzizivikanwe tsamba. Ndiyo imwe yenzira dzokutanga dzinozivikanwa dzokushandisa sonication. Dr. Edmund Fournier d'Albe veBirmingham University vakagadzira optophone muna 1913, iyo yaishandisa photosensors dze selenium kuti vaone manyoro matema ndokuashandura kuva mashoko anonzwika ayo aigona kududzirwa nomunhu asingaoni. Kambani yeGlasgow, Barr naStroud, yakabatanidzwa mukuvandudza chisarudzo uye kushandiswa kwechiridzwa.
Dr. Edmund Fournier d'Albe