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Leon Scott de Martinville did the invention called the Phonautograph
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thomas edison invent the phonograph
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Emile Berliner did the invention called the Gramo
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thomas edison did the invention the entertainment field
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Eldridge Johnson improved the gramophone.
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Berliner and Johnson joined together to invent a talking machine
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Victrola invented the phonograph
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Phillip invent the Audio Cassette Tape
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Walkman did the Udio cassette tape player
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Hart-Davis and Holmes did the invention audio steam line
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Tiemann did the invention iTUNES music system and audio format
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Tiemann did the invention called iPOD mini and the Ipod shuffle