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单词 dolby
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Dol•by  (dōlbē, dôl-),USA pronunciation [Trademark.]
  1. Sound Reproduction, Trademarksa brand of system for reducing high-frequency noise in audiotape using various electronic devices during recording and playback.

Collins Concise English Dictionary © HarperCollins Publishers::
Dolby /ˈdɒlbɪ/ n
  1. trademark any of various specialized electronic circuits, esp those used for noise reduction in tape recorders by functioning as companders on high-frequency signals
Etymology: named after R. Dolby (born 1933), its US inventor
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