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Evolution of Audio Technology: A Timeline

Discover the fascinating journey of audio technology from the invention of the microphone to the development of CD players and MP3 players. Explore key milestones such as the creation of the phonograph, triode vacuum tube, and CD player, shaping how we listen to music today.

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Evolution of Audio Technology: A Timeline

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  1. History of audio By: Lauren Carter

  2. 1876 • Emile Berliner invented the first microphone used as a telephone voice transmitter.

  3. 1878 • The first music is put on a record • The song was "Yankee Doodle." • The carbon microphone was invented by David Edward Hughes.

  4. 1887 • Berliner is granted a patent on a flat-disc gramophone, making the production of multiple copies practical.

  5. 1888 • Edison introduces an electric motor-driven phonograph.

  6. 1895 • Macaroni successfullyexperiments with his wireless telegraphy system in Italy.

  7. 1898 • ValdemarPoulsen patents his “Telegraphone,” recording magnetically on a steel wire.

  8. 1906 • Lee DeForest invents the triode vacuum tube, the first electronic signal amplifier.

  9. 1910 • Enrico Caruso is heard in the first live broadcast from the Metropolitan Opera, NYC.

  10. 1913 • The first “talking movie” is demonstrated by Edison.

  11. 1917 • The Scully disk recording lathe is introduced.

  12. 1921 • The first commercial AM radio broadcast is made by KDKA, Pittsburgh, PA.

  13. 1929 • The "Blattnerphone" is developed for use as a magnetic recorder using steel tape.

  14. 1933 • Magnetic recording on steel wire is developed commercially.

  15. 1940 • Walt Disney’s “Fantasia” is released, with eight-track stereophonic sound.

  16. 1941 • Commercial FM broadcasting begins in the U.S.

  17. 1946 • Wire recorders for the home are manufactured.

  18. 1947 • First tape recorder is produced.

  19. 1958 • The first commercial stereo disk recordings appear.

  20. 1970 • Dynamic and condenser mics were developed, allowing for a lower sound level sensitivity and a clearer sound recording.

  21. 1982 • Sony releases the first CD player, the Model CPC-101.

  22. 1998 • MP-3 players for downloaded internet audio appear.

  23. Work Cited • http://www.aes.org/aeshc/docs/audio.history.timeline.html • http://inventors.about.com/od/mstartinventions/a/microphone.htmn

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