The whole Edison cult is largely a lie .
French inventor beat Edison by twenty years with his audio recording device.
Interesting article regarding the original piece of audiophile equipment.
http://www.npr.org/sections/alltechconsidered/2017/05/22/529550254/at-the-dawn-of-recorded-sound-no-...
http://www.npr.org/sections/alltechconsidered/2017/05/22/529550254/at-the-dawn-of-recorded-sound-no-...