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In 1877, Thomas found a way to record sound by using two needles on tinfoil cylinders. One needle for recording and the other for playback. This was the creation of the phonograph. The first words he had recorded were 'Mary had a little lamb'.
http://www.charm.rhul.ac.uk/history/p20_4_1.html -
Alexander Graham Bell, Chichester Bell, and Charles Tainter of the Volta laboratory obtained several patents for a commercial talking machine which was the graphaphone. The graphaphone was based on Thomas 's phonograph. The stylus for the graphaphone was more of a cutting tool and the tinfoil was replaced with more durable wax cylinders. These changes made the machine easier to use and the play back was much clearer.
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Marked the beginning of the sound recording industry. The first records sold by Edison and Columbia Phonograph Companies were on wax cylinders.
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Emile Berliner was an early developer and inventor of audio technology including the Gramophone (sound recorder). He was the first inventor to stop recording on cylinders and start recording on flat disks. The first piece that was recorded was "Twinkle, Twinkle Little Star". He had also invented a method of mass producing copies of an original record.
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Eldridge Johnson improved the gramophone with a motor designed by Levi Montross.
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Magnetic recording was invented by Valdemar Poulsen and was seen in the telegraphone.
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Columbia ceased production of wax cylinders in 1909 when discs became popular.
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The first million seller was produced with 'Japanese Sandman’ coupled with ‘Whispering’ by Paul Whiteman and his Orchestra, which became a craze that boosted the record industry in that decade.
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Victor and Colombia in the US, issued the first electrical recordings.
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Many major film producers now used sounds on film.
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BASF [German: Badische Anilin- und Soda-Fabrik] (Baden Aniline and Soda Factory) which is a company that produces chemicals, manufactured 50,000 metres of magnetic recording tape for use by AEG for large scale experiments.
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The very first Ipod classic was released by Apple with the capacity of 5, 10 GBs and the battery life of 10 hours.
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