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The Evolution of Audio Technology: A Timeline from Phonautograph to Digital Recording

Explore the fascinating history of audio technology, starting with Edouard-Leon Scott de Martinville's invention of the phonautograph in 1857, the first device to record sound waves. Discover key milestones such as Alexander Bell's telephone patent in 1876, Thomas Edison's voice playback in 1877, and the introduction of stereo effects by Clement Ader in 1881. Follow the advancements through the decades, including the development of the triode vacuum tube, portable radios, and digital audio transmission, showcasing the incredible progress in sound recording and playback technology.

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The Evolution of Audio Technology: A Timeline from Phonautograph to Digital Recording

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Presentation Transcript

  1. Audio Timeline By: Cullen Schoen

  2. 1857 • Edouard-Leon Scott de Martinville invented the phonautograph, the first device that could record sound waves as they passed through the air.

  3. 1876 • Alexander G. Bell patented the telephone - the first electrical device for audible transmission.

  4. 1877 • Thomas Edison became the first person to ever record and play back the human voice.

  5. 1878 • The first music is put on record.

  6. 1881 • Clement Ader produced a stereo affect when listeners outside the hall monitor adjacent telephone lines linked to stage mikes at the Paris Opera.

  7. 1888 • Emile Berliner filed and patented a talking machine which also recorded and played back sound.

  8. 1898 • ValdemarPoulsen patents his "Telegraphone," recording magnetically on steel wire.

  9. 1906 • Lee DeForest invents the triode vacuum tube, the first electronic signal amplifier.

  10. 1912 • First radio broadcast of a college football game.

  11. 1919 • The Radio Corporation of America (RCA) is founded.

  12. 1921 • The first commercial AM radio broadcast is made.

  13. 1924 • Zenith develops the first portable radio.

  14. 1930 • Advances in electronics allowed the first commercially successful wire recorders to be introduced as dictating machines and telephone recorders in Europe and North America.

  15. 1932 • The first cardioid ribbon microphone is patented by Dr. Harry F. Olson.

  16. 1936 • The Tefifon was somewhat ahead of it's time in that it used an endless  vinyl belt housed in a cassette that recorded the tracks in a serpentine fashion.

  17. 1940 • Walt Disney's "Fantasia" is released, with eight-track stereophonic sound.

  18. 1943 • Altec develops their Model 604 coaxial loudspeaker.

  19. 1958 • RCA developed an audio cartridge system known simply as the Sound Tape Cartridge.

  20. 1959 • NAB cart tape format was designed for use by radio broadcasters to play commercials,  bumpers and announcements. 

  21. 1960 • Sony Corporation sells the first direct-view portable television.

  22. 1965 • Pre-recorded audio cassettes were first available.

  23. 1976 • Dr. Stockham of Sound stream makes the first 16-bit digital recording in the U.S.

  24. 1983 • Fiber-optic cable is used for long-distance digital audio transmission.

  25. Cites • http://www.aes.org/aeshc/docs/audio.history.timeline.html • http://www.audioaffair.co.uk/blog/wp-content/uploads/2010/11/audiohistory.jpg • http://www.videointerchange.com/audio_history.htm • http://amplioaudio.blogspot.com/2007/05/short-history-of-audiovideo-technology.html • http://www.americansportscastersonline.com/radiohistory.html • http://www.library.yale.edu/cataloging/music/srdates.htm

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