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The phonautograph, a device that records but can not play back sound waves, invented by Édouard-Léon Scott de Martinville. On soot-covered paper, the purpose is to visually reflect sound. These "phonautograms" would be successfully played back in 2008 via digital imagery, dating the first true sound recordings to 1857,

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Starting of North American Phonograph company (1888)

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Starting of North American Phonograph company (1888)

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The North American phonograph company was unable to market the machines . They then decided to shift the use of the machine from dictation to entertainment by creating slot machines for coins.

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The phonograph becomes a consumer good (1896)

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The phonograph becomes a consumer good (1896)

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Thomas Edison and Columbia phonograph company are starting to sell spring-motor phonographs at reasonable prices, enabling the phonograph to become a household commodity and a product for sound recordings.

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Idea of Sound in Film Reaches Europe (1900)

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Idea of Sound in Film Reaches Europe (1900)

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Inventors across Europe and the United States began to develop technology to achieve synchronous sound in film. In 1900 at the Paris world fair, there were 3 seperate versions inventions of phonograph synced devices; Phonorama, Chronophone,  Phono-Cinema-Theatre.

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The first experiment conducted with sound-on-film was in 1910. A colleague of Edison and Dickson’s, Eugene A. Lauste who was successfully able to record sound right next to a film track.

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Warner Theater located in New York city. Warner Bros. spent an estimated amount of 3 million dollars to construct a movie theatre with air-conditioning. This had a huge effect on the social benefits for the company and movie theatres later on.

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The Jazz Singer, the first commercially popular full-length movie with sound, premiered on December 30, 1927. To reproduce the musical score and synchronised voices, the film uses Warner Brothers' Vitaphone sound-on-disc technology.

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Walt Disney presents first commercial appearance of a four-tracked recording. This appearance started something monumental in the near future called “surround sound”.

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The widescreen requires 3 strips of film. Then a total of 7 audio channels with 5 loudspeakers are placed behind the screen to create the effect of 'surround sound.'

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Tape Recordings shrink and quieted (1963)

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Tape Recordings shrink and quieted (1963)

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“Philips” introduced a cassette tape which was invented to replace open reel tapes. This allowed  Dolby systems to reduce noise and hiss.

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'Dolby' released a recording system. Some of its qualities include noise reduction and option of dynamic range which was definetly noticeable from live sound. Later on blockbusters like Robocop used Dolby SR.

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'Dolby' released a new  recording system known as Dolby Digital. It uses a 5.1 surround sound format A few years later 2  digital sound formats were also released (DTS) digital theatre systems premiered with the blockbuster movie Jurassic Park and (SDDS) Sony Dynamic Digital Sound premiered with the movie Last Action Hero

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Digital encoding (MP3) are still commonly used in daily life today. It has become a high quality low bit-rate audio format extensively used by major companies in many industries and individuals.

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Sony music entertainment and Bertelsmann music group merge. This ends the century rivalry between Columbia and Victor records to an end. Another company known as tower records files for bankruptcy and is liquidated as a result. This created  a significant long-term effect on the marketing of sound recordings.

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1926 - Vitaphone
1927 - Movietone
1940 - Fantasound
1952 - Cinerama
1953 - Cinemascope
1954 - Perspecta
1955 - Todd AO 70mm
1976 - Dolby Stereo
1976 - Dolby Stereo 70mm Six Track ‘Baby Boom’
1979 - Dolby Stereo 70mm Six Track
1986 - Dolby SR
1991 - CDS
1992 - Dolby Digital
1993 - DTS / Datastat
1993 - SDDS 8 Channel
1999 - Dolby Digital Surround EX
2010 - Dolby Surround 7.1
2012 - Barco Auro 11.1
2012 - Dolby Atmos
2015 - DTS:X
2015 - AuroMax

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https://docs.google.com/document/d/10NVaGmsLSgYMrA5YnWxwjXtJHrYiD72JWDXZ3H9P0FM/edit#heading=h.8o9er4h26oms