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shared by marshall_jarrell on 11 Aug 14 - Cached

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August 12, 1877 is the date popularly given for Thomas Edison's completion of the model for the first phonograph.
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Do you know the first words ever recorded?
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The standard file format for CD distribution is called Red Book audio, which specifies exactly how uncompressed audio files will play on consumer devices.
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When distributing audio files on the Internet, typically files are either downloaded and played or streamed from a special server.
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In the early 19th century, it was all but impossible to imagine what great changes were in store for the world of audio.
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Although the first successful recording device was developed in 1855, it wasn't until Thomas Edison's phonograph (invented in 1877) and Emile Berliner's Gramophone (patented in 1887) that the phonograph started to come into its own.
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Invented in the early 1960s by William Powell Lear, and heavily marketed and used in the '70s, the 8-track was the premier portable audio format for almost 15 years.
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The 8-track was designed around a single reel with the two ends of the plastic recording tape joined with a piece of conductive foil tape to make one continuous loop.
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A compact disc (or CD) is an optical disc used for storing digital data.
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It was originally invented for digital audio and is also used as a data storage device, a CD-ROM.
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