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Léon Scott de Martinville invented the first device that can record sound signals; it was called the “phonautograph”. But the device could not reproduce sound signals
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Thomas Edison’s tinfoil cylinder phonograph was invented, which made the first recording of the human voice.
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Edison created a company that produced recording and playback machines, which were meant to be used for business purposes only.
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Edison decided to try the entertainment field, he then improved both the cylinder and disc machines but disc-style gramophones and phonographs were more advanced.
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Columbia made the 33-1/3 RPM long-playing record (LP).
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Phillips created the audio cassette tape format that eventually became popular for home use.
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Sony created the first digital audio recording devices to be used by professional studios.
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The first digital audio player in the U.S. was created, it used the MP3 Format.
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The first Apple iPod was created.
