New Technology Sheds Light on Century-Old Sound Recordings

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VOA News 조회 수 91 추천 수 0 2015.02.20 02:01:18

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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 ...	From: VOAvideo Views: 6 1 ratings
	Time: 03:08	More in News & Politics

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