Communications and Media

Sound recording and reproductionis anelectricalormechanicalinscription and re-creation ofsoundwaves, such as spokenvoice, singing, instrumental, or sound effects.

The first practical sound recording and reproduction device was the mechanical Phonograph cylinder invented by Thomas Edison in 1877.

Gramophone record overtook the cylinder by 1910.

Thomas Edison in an attempt to regain his market created Edison Disc record by the end of World War 1.

Vinyl Microgroove was invented by a Hungarian engineer, Peter Carl Goldmark in the late 1940s.

Magnetic tape came into existence in 1948. Tape enabled the radio industry for the first time to pre-record many sections of program content such as advertising, which formerly had to be presented live, and it also enabled the creation and duplication of complex, high-fidelity, long-duration recordings of entire programs

In 1964, Philip Electronics Company introduced Compact Cassette.

In 1982, digital sound recording system was invented. The invention of digital sound recording and later the compact disc brought significant improvement in the durability of consumer recordings.