Audio Timeline

By: Cade Thompson

1877

• Thomas Edison's phonograph was invented in 1877.

1878

• The first music is put on record: cornetist Jules Levy plays "Yankee Doodle.

1888

•   In 1888, Emile Berliner filed and patented a talking machine which also recorded and played back sound. (The gramophone)

1898

• Valdemar Poulsen patents his "Telegraphone," recording magnetically on steel wire.

1901

• The Victor Talking Machine Company is founded by Emile Berliner and Eldridge Johnson.

1906

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

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.

1929

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

1930• Before the development of oxide based

magnetic tape, the stainless steel piano wire recorder was the dominant audio recording format of choice.

1932

• The first cardioid ribbon microphone is patented by Dr. Harry F. Olson of RCA, using a field coil instead of a permanent magnet..

1936

• The Tefifon used an endless vinyl belt housed in a cassette that recorded the tracks.

1940

• Walt Disney's "Fantasia" is released, with eight-track stereophonic sound.

1945

• The Audograph used technology, in that the modulated grooves were embossed onto soft vinyl.

1945

• The soundscriber used flexible vinyl records were "cut" using a stylus cutting head and playback was made on a dedicated player.

1947

• Dictabelts are flexible belts of vinyl .005" thick by 3 1/2 inches wide with a circumference of 12 inches, which allowed up to approximately 15 minutes of recording time per belt. This machine works just like the soundscriber.

1957

• The Sonaband Walkie RecordAll used the same technology as that of the Dictabelt. It embossed the audio information onto a soft vinyl belt with a stylus, instead of cutting grooves into harder materials.

1957

• The portable dictet dictation recorder by the Dictaphone Corporation, was the very first dictation machine to use magnetic tape cassettes. (dictaphone dictet)

1958

• In 1958 RCA developed an audio cartridge system known simply as the sound tape cartridge.

1959

• Introduced in 1959 by Collins Radio, the cart tape format was designed for use by radio broadcasters to play commercials, bumpers, and announcements.

1960

• In 1960, the magnabelt was invented. It was another type of dictation machine.

1962

• Ironically, the compact cassette is still in wide use today and was never intended for such wide use.

1964

• The Sanyo Pack 35 was an early format portable dictation player/recorder for busy executives in the 1960’s.

1977

• The Elcaset format was introduced by Sony in 1977. Though marketed as a consumer format, it was intended as a platform to offer open reel to reel quality with the convenience of a compact cassette.

1978

• The Sony PCM-F10, though not the first digital stereo recorder, was the first to make it truly affordable.

1981

• Sony released the second generation called the PCM-F1 which reduced the processor size substantially.

1982

• The audio CD in the form we know it today, was released in the UK in September, 1982.

1987

• Introduced in 1987 for the professional studio market, digital audio tapes quickly claimed the high ground in professional recording industry circles.

1991

• Released in 1991, the first ADAT machine took the recording industry by storm.

1989

• The mp3 player was invented.

2000

• The versacorder was invented in 2000 and was used for talk shows.

2001

• The advanced audio coding is a newer codec algorithm made in 2001.

2001

• The first ipod was released on November 10, 2001.

Cites• http://videointerchange.com/audio_history\• http://

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