-
first audio player
thomas edisoin made the phonograh -
playback recordings
lanch to company to produce recording playback machines -
disc phonograph
disc phonogrph was made -
improvements
amplification systems were made and sold -
cassette tapes
audio cassette tapes and the eight track -
sonys development
sony developedthe first digital recording devices used in professional stuidios -
apples recorders
apple made the ipod -
apples enhancement
apple introduced the iphone
