History of audio Reid Porter

First Acoustic recordingIn 1857, Edouard-Leon Scott de Martinville

invented the phonautographEdouard made a device that could record

sound waves that passed threw the air

The first electrical record

The advent of electrical recording in 1925 improved recorder process

Electrically powered phonographs were introduced in 1930

Multitrack recording First developed by German audio engineers in

1943The first stereo recordings had been made in

the 1930s on disk 2-track recording was rapidly adopted for

modern music in the 1950s Three-track recorders remained in widespread

commercial use until the mid-1960s

First magnetic recorderCurt Stille developed the electronic

amplification in the 1920’sThe telegraphone evolved into wire recorders

which were popular for recording voices and was developed in the 1940’s going into the 1950’s

Recording on filmThe first attempts to record sound to an

optical medium happened around 1900In 1923 Lee de Forest applied for a patent to

record to filmThis was the dominant technology from the

1930s through the 1960s and still used today

Photoengraving 1877 in spring a inventor named Charles Cros

suggested that the process could be reversed using photoengraving

In some early jazz recordings a block of wood was used in place of the bass drum first used in 1857

Digital RecordingThe first digital audio recorders were reel-to-

reel decks introduced by companies such as Denon in 1972, Soundstream in 1979 and Mitsubishi

The ADAT machine is capable of recording 8 tracks of digital audio onto a single VHS video tap in 1991

In 2005 hard disk recording takes two forms

Further developments By the late 1960s, disk reproducing

equipment became so good that audiophiles soon became aware that some of the noise audible

Albums were released both in stereo and quadrophonic format in the 1970s