History of audio

HISTORY OF AUDIOBy: Lauren Carter

1876Emile Berliner invented the first microphone used as a telephone voice transmitter.

1878 The first music is put on a record

The song was "Yankee Doodle."

The carbon microphone was invented by David Edward Hughes.

1887 Berliner is granted a patent on a flat-disc gramophone, making the production of multiple copies practical.

1888Edison introduces an electric motor-driven phonograph.

1895Macaroni successfully experiments with his wireless telegraphy system in Italy.

1898 Valdemar Poulsen patents his “Telegraphone,” recording magnetically on a steel wire.

1906Lee DeForest invents the triode vacuum tube, the first electronic signal amplifier.

1910Enrico Caruso is heard in the first live broadcast from the Metropolitan Opera, NYC.

1913The first “talking movie” is demonstrated by Edison.

1917The Scully disk recording lathe is introduced.

1921The first commercial AM radio broadcast is made by KDKA, Pittsburgh, PA.

1929The "Blattnerphone" is developed for use as a magnetic recorder using steel tape.

1933Magnetic recording on steel wire is developed commercially.

1940Walt Disney’s “Fantasia” is released, with eight-track stereophonic sound.

1941Commercial FM broadcasting begins in the U.S.

1946Wire recorders for the home are manufactured.

1947First tape recorder is produced.

1958The first commercial stereo disk recordings appear.

1970Dynamic and condenser mics were developed, allowing for a lower sound level sensitivity and a clearer sound recording.

1982Sony releases the first CD player, the Model CPC-101.

1998MP-3 players for downloaded internet audio appear.

WORK CITED http://www.aes.org/aeshc/docs/audio.his

tory.timeline.html http://

inventors.about.com/od/mstartinventions/a/microphone.htmn