Audio Timeline
By: Cullen Schoen
1857
• Edouard-Leon Scott de Martinville invented the phonautograph, the first device that could record sound waves as they passed through the air.
1876
• Alexander G. Bell patented the telephone - the first electrical device for audible transmission.
1877
• Thomas Edison became the first person to ever record and play back the human voice.
1878
• The first music is put on record.
1881
• Clement Ader produced a stereo affect when listeners outside the hall monitor adjacent telephone lines linked to stage mikes at the Paris Opera.
1888
• Emile Berliner filed and patented a talking machine which also recorded and played back sound.
1898
• Valdemar Poulsen patents his "Telegraphone," recording magnetically on steel wire.
1906
• Lee DeForest invents the triode vacuum tube, the first electronic signal amplifier.
1912
• First radio broadcast of a college football game.
1919
• The Radio Corporation of America (RCA) is founded.
1921
• The first commercial AM radio broadcast is made.
1924
• Zenith develops the first portable radio.
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.
1932
• The first cardioid ribbon microphone is patented by Dr. Harry F. Olson.
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.
1940
• Walt Disney's "Fantasia" is released, with eight-track stereophonic sound.
1943
• Altec develops their Model 604 coaxial loudspeaker.
1958
• RCA developed an audio cartridge system known simply as the Sound Tape Cartridge.
1959
• NAB cart tape format was designed for use by radio broadcasters to play commercials, bumpers and announcements.
1960
• Sony Corporation sells the first direct-view portable television.
1965
• Pre-recorded audio cassettes were first available.
1976
• Dr. Stockham of Sound stream makes the first 16-bit digital recording in the U.S.
1983
• Fiber-optic cable is used for long-distance digital audio transmission.
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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