TEYP, plastik bir bant üzerine sürülmüş ferromanyetik bir maddenin sabit mıknatıs özelliğinden yararlanılarak sesleri kaydetmeye ve tekrar dinlemeye yarayan aygıt. İlk kez 1899’da DanimarkalI Poulsen tarafından geliştirilen teyplerde okuma,
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