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Audio Timeline

Audio Timeline. By Leighton Weber. 1878. The first music was put on a record. The song was Y ankee D oodle. The artist was Jules Levy. 1881. The stereo effect were accidentally created. Clement Ader did this.

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Audio Timeline

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  1. Audio Timeline By Leighton Weber

  2. 1878 • The first music was put on a record. • The song was Yankee Doodle. • The artist was Jules Levy.

  3. 1881 • The stereo effect were accidentally created. • Clement Ader did this. • He was using carbon microphones and armature headphones and other people liked the stereo effect.

  4. 1888 • Edison introduced an electronic, motor driven phonograph.

  5. 1895 • Marconi experimented his wireless telegraphy system in Italy and it was a success.

  6. 1898 • The telegraph recorded magnetically on steel wire.

  7. 1901 • The Victor Talking Machine Company was founded by Emile Berliner and Eldridge Johnson. • Experimental recordings were made on motion picture films.

  8. 1906 • Lee DeForest invented the triode vacuum tube. • A triode vacuum tube was the first electronic signal amplifier.

  9. 1910 • Enrico Caruso was heard through the first live broadcast. • Metropolitan Opera, New York City.

  10. 1912 • Major Edwin F. Armstrong was issued a patent for a regenerative circuit. • This made radio reception practical.

  11. 1913 • The first “talking movie” was demonstrated by Edison. • He demonstrated it by using his Kinetophone process, a cylinder player mechanically synchronized to a film projector.

  12. 1917 • The Scully disk recording lathe was introduced.

  13. 1919 • The Radio Corporation of America, or the RCA, was founded.

  14. 1929 • The “Nyquist Theorem” was published by Harry Nyquist. • The Nyquist Theorem is the mathematical foundation for the sampling theorem basic to all digital audio processing.

  15. 1932 • The first cardioid ribbon microphone was patented by Dr. Harry F. Olsen of RCA. • It used a field coil instead of permanent magnet.

  16. 1933 • Snow, Fletcher, and Steinberg at Bell Labs transmited the first inter- city stereo audio program.

  17. 1935 • AEG, in Germany, exhibited its “Magnetophon” Model K-1 at the Berlin Radio Exposition.

  18. 1936 • BASF made the first recording of a symphony concert.

  19. 1939 • Western Electrics designed the first motional feedback, vertical- cut disk recording head.

  20. 1941 • Commercial FM broadcasting began in the U.S.

  21. Later in 1941 • Arthur Haddy devised the first motional feedback, lateral- cut disk recording head. • This was later used to cut his “ffrr” high- fidelity recordings.

  22. 1942 • The RCA LC-1 loudspeaker was developed as a reference- standard control- room monitor.

  23. 1947 • Ampex produced its first tape recorder, the Model 200.

  24. 1948 • The Audio Engineering Society was formed in New York.

  25. 1949 • RCA introduced the microgroove 45 rpm, large- hole, 7 inch record and record changer/ adaptor.

  26. 1954 • RCA introduces its polydirectional ribbon microphone, the 77DX.

  27. 1956 • Les Paul made the first 8 track recording. • He did so using the “Sel- Sync” method.

  28. 1965 • The Dolby Type A, noise reduction system was introduced.

  29. 1967 • The Broadway musical, Hair, opened using a high- powered sound system.

  30. 1976 • Dr. Stockham from Soundstream made the first 16- bit digital recording system.

  31. 1980 • A multitrack digital recorder was introduced. • It was introduced by Sony, Studer, and Mitsubishi in the same year.

  32. 1981 • The Compact Disc, or a CD, was demonstrated.

  33. 1983 • Fiber- optic cable was used for long distance audio transmission. • It linked New York and Washington DC.

  34. 1986 • Dr. Gunther Theile introduced the “sphere microphone.”

  35. 1991 • Alesis unveiled the ADAT. • ADAT was the first affordable, mutitrack recorder.

  36. The End • Thank you for watching!!

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