Difference between revisions of "Pre-emphasis"

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Revision as of 01:21, 25 February 2009

5-3-290

A modification of the gain-frequency characteristic of a channel normally resulting in an increase of the relative amplitude of higher frequency signal components which is used in conjunction with a separate, but corresponding, inverse process of de-emphasis to improve the signal-to-noise ratio.

Reference: B.S.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)