A CDE Definition
A brand of portable audio players and recorders from Sony. In 1979, Sony introduced the Walkman audio cassette player and created a revolution. Hundreds of millions of Walkmans were sold, and the tape-based device was the progenitor of all the portable tape and disc music players that followed.
The Walkman brand was used for its portable CD player (originally named Discman), Video8 video player, MiniDisc player, MP3 player and Sony Ericsson mobile phones. See audio cassette, MiniDisc and Stereobelt.
Sony Walkman Cassette Player
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