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Audio Timeline

Audio Timeline. BY: Slyder Welch. Early Times . 1878- The first music is put on record, cornets Jules Levy plays "Yankee Doodle”. 1888- Edison introduces an electric motor-driven phonograph.

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Audio Timeline

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  1. Audio Timeline BY: Slyder Welch

  2. Early Times • 1878- The first music is put on record, cornets Jules Levy plays "Yankee Doodle”. • 1888- Edison introduces an electric motor-driven phonograph. • 1895 -Marconi successfully experiments with his wireless telegraphy system in Italy, leading to the first transatlantic signals from Poldhu. • 1921-The first commercial AM radio broadcast is made in, Pittsburgh PA.

  3. Early Times • 1926-O'Neill patents iron oxide-coated paper tape. • 1929- Harry Nyquist publishes the mathematical foundation for the sampling theorem basic to all digital audio processing,. Called the "Nyquist Theorem." • 1932- The first cardioids ribbon microphone is patented by Dr. Harry F. Olson of RCA, using a field coil instead of a permanent magnet. • 1940 Walt Disney's "Fantasia" is released, with eight-track stereophonic sound.

  4. Middle Times • 1943-Altec develops their Model 604 coaxial loudspeaker. • 1944- Alexander M. Poniatoff forms Ampex Corporation to construct electric radios for the military. • 1945 -Two Magneto phone tape decks are sent back to the U.S. In pieces in multiple mailbags by Army Signal Corps Major John T. Mullin. • 1948-The Audio Engineering Society is formed in New York City.

  5. Middle Times • 1955-Ampex develops Selective Synchronous Recording, making audio overdubbing practical. • 1957 -Westrex demonstrates the first commercial "45/45" stereo cutter head. • 1971-Denon demonstrates 18-bit PCM stereo recording using a helical-scan video recorder. RMS and VCA circuit modules introduced by David Blackmer. • 1972 -Electro-Voice and CBS are licensed by Peter Scheiber to produce quadraphonic decoders using his patented matrixes.

  6. Late Times • 1983-Fiber-optic cable is used for long distance digital audio transmission, linking New York and Washington, D.C. • 1984-The Apple Corporation markets the Macintosh computer. • 1987- Digitizing markets "Sound Tools," a Macintosh-based digital workstation using DAT as its source and storage medium. • 1990- ISDN telephone links are offered for high-end studio use.

  7. Late Times • 1994-Yamaha unveils the Pro Mix 01, the first affordable digital multi track console. • 1996 Record labels begin to add multimedia files to new releases, calling them "enhanced CDs." • Experimental digital recordings are made at 24 bits and 96 kHz. • 1999 -Audio DVD Standard 1.0 agreed upon by manufacturers.

  8. Credits • Thanks to, http://www.aes.org/aeshc/docs/audio.history.timeline.html I was able to get all of my information. I went onto the website and took facts out of it, but I changed them up, so it would not be considered plagiarism. • Thanks for watching and I hope you enjoyed the audio timeline that I have put together! Thank You!

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