Usually means: Enhancing higher frequencies before transmission.
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We found 6 dictionaries that define the word preemphasis:

General (5 matching dictionaries)
  1. preemphasis: Merriam-Webster
  2. preemphasis: Wiktionary
  3. preemphasis: Infoplease Dictionary
  4. preemphasis: Dictionary.com
  5. Preemphasis: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)
  1. preemphasis: Encyclopedia

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Definitions from Wiktionary (preemphasis)

▸ noun:  Amplification applied to certain frequencies of a signal to improve its signal-to-noise ratio.

Similar:
preamplification, pre-amp, pre-echo, preamp, preamplifier, forward echo, override, predistortion, prefade, preprocessing, more...

Opposite:
deemphasis, attenuation, reduction

▸ Words similar to preemphasis

▸ Usage examples for preemphasis

▸ Idioms related to preemphasis

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▸ Popular adjectives describing preemphasis

▸ Words that often appear near preemphasis

▸ Rhymes of preemphasis

▸ Invented words related to preemphasis

Similar:
preamplification, pre-amp, pre-echo, preamp, preamplifier, forward echo, override, predistortion, prefade, preprocessing, more...

Opposite:
deemphasis, attenuation, reduction



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