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frist audio
Thomas Alva Edison, working in his lab, succeeds in recovering Mary's Little Lamb from a strip of tinfoil wrapped around a spinning cylinder -
the frist record
The first music is put on record: cornetist Jules Levy plays "Yankee Doodle." -
flat disc
Emile Berliner is granted a patent on a flatdisc gramophone, making the production of multiple copies practical -
the frist talking movie
The first talking movie is demonstrated by Edison using his Kinetophone process a cylinder player mechanically synchronized to a film projector. -
AM radio
The first commercial AM radio broadcast is made by KDKA Pittsburgh PA. -
recording on steel
Magnetic recording on steel wire is developed commercially -
the first transistor radio
The Transistor Radio the first practical transistor that made any significant profits was the Regency TR-1 -
the first 16-bit
Dr. Stockham of Soundstream makes the first 16-bit digital recording in the U.S. at the Santa Fe Opera -
the frirst CD player
Sony releases the first CD player, the Model CDP-101. -
Apple
Apple released their very first mp3 player on October 23, 2001