preemphasis

or pre-em·pha·sis

[pree-em-fuh-sis]

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.

Nearby words

  1. preemergent,
  2. preemie,
  3. preeminence,
  4. preeminent,
  5. preeminently,
  6. preemployment,
  7. preempt,
  8. preemption,
  9. preemptive,
  10. preemptive right

Origin of preemphasis

First recorded in 1940–45; pre- + emphasis


Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019