evolution of portable audio devices

evolution of portable audio devices

Period: Jan 1, 1954 to Nov 10, 2010

Regency TR-1

Mar 1, 1954

The world's first comercially produced transistor radio.

Boombox

Mar 1, 1976

Were introduced by various companies in the late 1970's when stereo capabilities were added to existing desings of the radio cassette recorder.

walkman

Jan 1, 1979

is a sony brand tradename originally used for portable audio cassette.

Discman

Jan 1, 1984

was the product name given to the Sony's first portable CD player, was the first on the market in 1984.

MiniDisc

Jan 1, 1992

Intended for storage up to 74 minutes, and later 80 minutes of digitalized audio.

Mpman

Jan 1, 1998

was the first mass- produced portable solid state digital audio player.

iPod

Oct 23, 2001

is a line of portable media players designed and marketed by Apple and released on October.

iPod 4th G

Nov 10, 2010

it features front facing camerera and records 720p videos.