| 单词 | preemphasis |
| 释义 | preemphasisor pre-em·pha·sis[ pree-em-fuh-sis ] / priˈɛm fə sɪs / noun Electronics.a process of increasing the amplitude of certain frequencies relative to others in a signal in order to help them override noise, complemented by deemphasis before final reproduction of the signal being received. Also called emphasis, predistortion, preequalization. Origin of preemphasisFirst recorded in 1940–45; pre- + emphasis Words nearby preemphasispreemergence, preemergent, preemie, preeminence, preeminent, preemphasis, preemployment, preempt, preemption, preemptive, preemptively Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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