<prompt> Pedzisa mutsara unotevera: Kwakatangira theatrophone kunogona kuteverwa kunzira yekutumira runhare yakaratidzwa naClément Ader pa 1881  <response>: International Exposition of Electricity muParis. Gadziriro yacho yakatangwa naPurezidhendi weFrance Jules Grévy, uye yakabvumira kutepfenyurwa kwemakonzati kana mitambo. Ader akanga aronga zvigadziri 80 zvorunhare pamberi pechikuva kuti agadzire rudzi rwomutinhimira wetsinga mbiri. Yakanga iri yekutanga mbiri-chiteshi odhiyo system, uye yaisanganisira nhevedzano yefoni transmitters yakabatana kubva padanho reParis Opera kune suite yemakamuri paParis Electrical Exhibition, uko vashanyi vaigona kunzwa Comédie-Française uye opera performances mu stereo vachishandisa mahedhifoni maviri; Opera yaive iri makiromita anopfuura maviri kubva panzvimbo yacho. Mutsamba yaNovember 11, 1881, Victor Hugo anorondedzera chiitiko chake chokutanga chechi theatrophone sechinofadza. 