Donald's Dream Voice
Donald's Dream Voice is a 1948 American animated short film featuring Donald Duck; the film was directed by Jack Hannah and produced by Walt Disney. In the short film, no one understands a word that salesman Donald says, so he takes voice pills to improve his speech.
Donald has a problem where he fails to sell brushes throughout the neighbourhood because no one can hear his voice clearly. At Daisy's house, Daisy told Donald that people wouldn't trust him about his unclear voice.