HISTORY OF AUDIOBy Samuel Abhulimen

1877 The phonograph was born by Thomas

Edison. By working in his lab he succeeds in recovering Mary’s Little Lamb from a strip of tinfoil wrapped around a cylinder

1878 The first music was put on record was

“Yankee Doodle”

1881 Clement Ader used carbon

microphones and armature headphones. He accidently produced a stereo effect when people listened outside the hall monitor adjacent telephones line linked to stage mikes at Paris Opera

1887 Emile Berliner is granted a patent on a

flat- disc gramophone, making the production of multiple copies practical.

1888 Eddie introduces an electric motor-

driven phonograph.

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.

1898 Valedmar Poulsen patents his

“Telegraphone” recording magnetically on steel wire.

1900 Poulsen shows his invention to the

people at the Paris Exposition. Austria’s Emperor Josef congratulates him on his invention.

1901 The Victor Talking machine Company is

founded by Emilie Berliner and Eldridge Johnson.

1906 Lee Defrost invents the triode vacuum

tube. The first electronic signal amplifier.

1910 Enrico Caruso is heard in the first live

broadcast from the Metropolitan Opera, NYC.

1912 Major Edwin F. Armstrong is issued a

patent for a regenerative circuit, making radio reception practical.

1913 The first "talking movie" is

demonstrated by Edison using his Kinetophone process, a cylinder player mechanically synchronized to a film projector.

1916 A patent for the superheterodyne

circuit is issued to Armstrong.

1917 The Scully disk recording lathe is

introduced

1919 The Radio Corporation of America (RCA)

is founded. It is owned in part by United Fruit.

1921 The first commercial AM radio

broadcast is made by KDKA, Pittsburgh PA.

1925 Bell Labs develops a moving armature

lateral cutting system for electrical recording on disk

1926 O'Neill patents iron oxide-coated paper

tape.

1927 "The Jazz Singer" is released as the first

commercial talking picture, using Vitaphone sound on disks synchronized with film.

http://www.aes.org/aeshc/docs/audio.history.timeline.html