technology over time

first audio player

Nov 5, 1877

thomas edisoin made the phonograh

playback recordings

May 16, 1878

lanch to company to produce recording playback machines

disc phonograph

Jan 22, 1905

disc phonogrph was made

improvements

Apr 24, 1920

amplification systems were made and sold

cassette tapes

Jan 22, 1963

audio cassette tapes and the eight track

sonys development

Jan 29, 1978

sony developedthe first digital recording devices used in professional stuidios

apples recorders

Jan 29, 2001

apple made the ipod

apples enhancement

Jan 29, 2007

apple introduced the iphone