One early idea was initiated by Thomas Alva Edison was the phonograph in the form of an audio recorder to 'talking doll', a ring-shaped cylinder. The tool was made by Edison 123 years ago, or rather in 1888.
Well, recently, researchers succeeded in restoring a sound recording the condition of children's toys in it can be heard. On the tape, it turns out there is the voice of a woman who was hummed lullaby "Twinkle, Twinkle, Little Star."
"It is estimated that this is the first professional recording artist," said Patrick Feaster, a historian from Indiana University in Bloomington, as quoted by AP. Historians believe that the voice belonged to a woman who hired Edison, about two years before finally released to the market the doll.
"The doll was made in 1888, it has a sound recording of the oldest in the United States, can we listen to today," said Patrick Feaster, a historian from Indiana University in Bloomington.
Actually, the tape has been found since 1967 in the archives at Thomas Edison National Historic Park is located in West Orange. However, the ring tin cylinder whose length is 2.5 inches was so bent and broken, then the doll was originally recorded voice can not be played.
However, after more than four decades, scientists from Lawrence Berkeley National Laboratory in Berkeley California uses image analysis using a 3D optical scanner on the tapes that lead, and create digital models are then used to reproduce the sound recording as a digital file.
As a result, now 123 years old sound recordings can now be re-enjoyed.
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