| 单词 | preemphasis |
| 释义 | preemphasis /pree em"feuh sis/, n. 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, pre-emphasis. Also called emphasis, predistortion, preequalization. [1940-45; PRE- + EMPHASIS] |
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