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How Do MP3's Work? By Virginia Ellis History Of MP Started in the mid 1980's at Fraunhofer Institute in Germany where. - ppt download
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Eric Petiot (潘力克) on Twitter: "[ #Smartphone ] The History of Portable Music https://t.co/nB5rQJNgh3 #Infographic When #Sony introduced the 1st #Walkman in 1979, the portable player was a #gamechanger Thanks to smartphones, #
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