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A Brief History ofdigital audio systems
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- Words:
- 1296
- Submitted:
- Mon Oct 19 2009
- Mark submitted by Author:
... A Brief History of Sound and Music Recording Sound and music recordings have been around for well over one hundred years. In 1877 Thomas Edison recorded his voice on a cylinder phonograph, which he invented for use as a dictation machine. The recording was made on a cylinder of tin foil that was rotated by hand. The sound was gathered in a horn that was attached to the mouthpiece, which caused a diaphragm to vibrate, which connected to a stylus pressed into the tin foil. Playback was achieved by a second stylus that translated the indentations on the foil back through a diaphragm and amplified by the horn. There was no fixed speed, as you turned it by hand, each recording only lasted a few seconds, and the tin foil soon wore out. Edison improved on the idea some years later by making the cylinder of wax. These systems were never
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