a proprietary designation for devices aimed at increasing the dynamic range of reproduced sound.
| 单词 | θ193719 | 
| 释义 | society > communication > record > recording or reproducing sound or visual material > sound recording and reproduction > sound recording or reproducing equipment > 			[noun]		 > decibel expander (1)		 dbx1975 a proprietary designation for devices aimed at increasing the dynamic range of reproduced sound. | 
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