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AUDIO HISTORYKenyanna Easter
1877 Thomas Alva Edison, working in his lab,
succeeds in recovering Mary's Little Lamb from a strip of tinfoil wrapped around a spinning cylinder. He demonstrates his invention in the offices of Scientific American, and the phonograph is born.
1878 The first song is put on record “Yankee
Doodle Dandy”
1881 Clement Ader used carbon microphones
and armature headphones when he accidentally produces a stereo effect when people outside the hall adjacent telephone lines linked to stage mikes at the Paris Opera.
1885 Arconi achieves wireless radio
transmission from Italy to America.
1887 Emile Berliner is granted a patent on a
flat-disc gramophone, making the production of multiple copies practical.
1888 Edison introduces an electric motor
driven phonograph related to a record player or turntable.
1895 Marconi successfully experiments with
his wireless telegraphy system in Italy leading to the first transatlantic signals from Poldhu, Cornwall, UK to St. John's, Newfoundland in 1901.
Telegraphy-it sends message without the use of a physical exchange bearing the object. Kind of like a cell phone or house phone.
1898 Emile Berliner and Eldridge Johnson
founder of “The Victor Talking Machine Company”.
1901 Experimental optical recordings are
made on motion picture film.
1906 Lee DeForest invents the triode vacuum
tube, the first electronic signal amplifier.
1919 The Radio Corporation of America (RCA)
is founded.
1930 1930s Wire recording.
1912 Edwin F. Armstrong received a patent for
a regenerative circuit making radio reception practical.
Patent- grant giving by the government to an inventor of his invention.
1913 The first talking movie is showed by
Edison using his Kinetophone process. Kinetophone- The Kinetoscope was
designed for films to be viewed by one person at a time through a peephole.
1917 The “Scully disk” recording lathe is
introduced Scully disk lathe/Presto- PRESTO
Recording Corporation was a powerhouse company in the broadcast and recording industry and most radio stations and networks that made use of disc recorders for delayed broadcast, or air checks.
1921 The first commercial AM radio broadcast
is made by “KDKA”
1927 The Jazz Singer is released as the first
commercial talking picture using Vitaphone sound on disks.
Vitaphone- was a sound film system used for feature films and nearly 1,000 short subjects made by Warner brothers and its sister studio First National from 1926 to 1931.
1933 Magnetic recording on steel wire is
developed commercially
1938 Benjamin B. Bauer of Shure Bros makes
a single microphone element to produce a cardioid pickup pattern called the Unidyne, Model 55. This later becomes the basis for the well known SM57 and SM58 microphones
1942 The RCA LC-1 loudspeaker has
developed a reference-standard control-room monitor
1949 RCA introduces the microgroove 45 rpm,
large hole 7-inch record and record changer/adaptor.
1961 3M introduces the first 2-track closed-
loop capstan drive recorder, the M-23.
1962 The Society of Motion Picture and
Television Engineers sets the standard for the time code format.
1962 3M introduces Scotch 201/202
Dynarange, a black oxide low noise mastering tape with a 4 dB improvement in s/n ratio over Scotch 111.
1965 The Dolby type a noise reduction
system is introduced.
1987 1987 - The Fraunhofer Institute in
Germany began research code named EUREKA project EU147, Digital Audio Broadcasting
1999 Audio DVD Standard 1.0 agreed upon by
manufacturers.
FACT’S All my info is correct I got all my
answers from( www.aes.org) and then I went and found a website with the same facts I had on some of the slides(www.timetoast.com)
Enjoy