The Magaphone, which had its origins in the megaphone, aka the bullhorn, cowhorn, blowhorn, or loudhailer, is today, as it was in the past, used to make a weak voice loud. Subscribe: Apple Podcasts | Android | TuneIn | iHeart Radio | Spotify | Deezer| Pandora A weak voice is projected into the narrow end of the Magaphone by holding it up to the mouth and shouting, thereby, in technical terms, amplifying the acoustic impedance of the vocal cords to match them to the outside air while forcing the sound waves loudly in one direction. This is frequently manifested in a screech because the frequency response of […]
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