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           New Technology Sheds Light on Century-Old Sound Recordings

   Alexander Graham Bell is probably best known for inventing the
   telephone. But he also played a vital role in creating and innovating
   sound recordings. The Smithsonian's National Museum has launched an
   exhibition that features early recorded sounds by Bell that date back
   to the 1880s. VOA's June Soh visited the museum in Washington and
   brought us some sounds that were thought lost to time. Amy Katz
   narrates.
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   [1]http://www.voanews.com/media/video/new-technology-sheds-light-on-cen
   trury-old-sound-recordings/2650408.html

References

   1. http://www.voanews.com/media/video/new-technology-sheds-light-on-centrury-old-sound-recordings/2650408.html