rotary digital audio tape system

rotary digital audio tape system

[¦rōd·ə·rē ‚dij·əd·əl ‚ȯd·ē·ō ′tāp ‚sis·təm]
(electronics)
A digital audio tape system that uses the helical-scan technology developed for video systems, with a rotating drum containing two metal-in-gap heads. Abbreviated R-DAT system.
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