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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. - PowerPoint PPT Presentation
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Audio Timeline
By Leighton Weber
1878• The first music was put on a record.• The song was Yankee Doodle.• The artist was Jules Levy.
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.
1888
• Edison introduced an electronic, motor driven phonograph.
1895
• Marconi experimented his wireless telegraphy system in Italy and it was a success.
1898
• The telegraph recorded magnetically on steel wire.
1901
• The Victor Talking Machine Company was founded by Emile Berliner and Eldridge Johnson.
• Experimental recordings were made on motion picture films.
1906
• Lee DeForest invented the triode vacuum tube.
• A triode vacuum tube was the first electronic signal amplifier.
1910
• Enrico Caruso was heard through the first live broadcast.
• Metropolitan Opera, New York City.
1912
• Major Edwin F. Armstrong was issued a patent for a regenerative circuit.
• This made radio reception practical.
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.
1917
• The Scully disk recording lathe was introduced.
1919
• The Radio Corporation of America, or the RCA, was founded.
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.
1932
• The first cardioid ribbon microphone was patented by Dr. Harry F. Olsen of RCA.
• It used a field coil instead of permanent magnet.
1933
• Snow, Fletcher, and Steinberg at Bell Labs transmited the first inter- city stereo audio program.
1935
• AEG, in Germany, exhibited its “Magnetophon” Model K-1 at the Berlin Radio Exposition.
1936
• BASF made the first recording of a symphony concert.
1939
• Western Electrics designed the first motional feedback, vertical- cut disk recording head.
1941
• Commercial FM broadcasting began in the U.S.
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.
1942
• The RCA LC-1 loudspeaker was developed as a reference- standard control- room monitor.
1947
• Ampex produced its first tape recorder, the Model 200.
1948
• The Audio Engineering Society was formed in New York.
1949
• RCA introduced the microgroove 45 rpm, large- hole, 7 inch record and record changer/ adaptor.
1954
• RCA introduces its polydirectional ribbon microphone, the 77DX.
1956
• Les Paul made the first 8 track recording.• He did so using the “Sel- Sync”
method.
1965
• The Dolby Type A, noise reduction system was introduced.
1967
• The Broadway musical, Hair, opened using a high- powered sound system.
1976
• Dr. Stockham from Soundstream made the first 16- bit digital recording system.
1980
• A multitrack digital recorder was introduced.
• It was introduced by Sony, Studer, and Mitsubishi in the same year.
1981
• The Compact Disc, or a CD, was demonstrated.
1983
• Fiber- optic cable was used for long distance audio transmission.
• It linked New York and Washington DC.
1986
• Dr. Gunther Theile introduced the “sphere microphone.”
1991
• Alesis unveiled the ADAT.• ADAT was the first affordable,
mutitrack recorder.
The End
• Thank you for watching!!
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