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  The first machine that was able to record sound was made by Léon Scott de Martinville’s in 1857 his invention was called the “phonautograph.”
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  Emile Berliner took the Phonautograph and turned it into a disc music player called the “gramophone."
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  Thomas Edison made a tinfoil cylinder shaped machine called a "phonograph," made the first recording from a human in 1877.
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  In 1878, Edison also launched his own Speaking Phonography Company that produced recording and playback machines.
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  In 1901 Berliner and Johnson joined the liking of the Audio and made the Victor Talking Machine Company.
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  In the 1940s, Columbia designed the first 33-1/3 RPM which basically means long-playing/recording.
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  Both the Diamond Multimedia’s Rio PMP300 and Eiger Labs’s F10, were made and sold in 1998.
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  In 1963, Phillips made the first audio cassette tape format that eventually became very popular.
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  In 1978 Sony made the first audio recording devices, that were used by professional studios.
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  In 1879 Sony the introduction of the Walkman portable audio cassette player was made and while doing so Sony revolutionized the world.
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  iPod made there very first iPod making a massive mark on Audio history and changing it for the better.
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  In 2007, Apple came into the phone business, making the first ever iPhone, combining all the features on a iPod with a modern day cell phone,including multimedia, Internet, and of course touch-screen.
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  Now audio is spread throughout... Everywhere, and its still advancing into more adapted styles, and i believe that it will keep on "adapting" until the end of time, but now its just as amazing as ever. Starting from the Phonautograph and iPhone's and so much more.
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  http://www.randomhistory.com/2008/08/04_ipod.html, and http://www.saching.com/Article/The-Positive-and-Negative-Effects-of-Media/873 where the web addresses for the web pages that i used for this time line.