Meaning of de-emphasis

de-em•pha•sis

Pronunciation: (dē-em'fu-sis), [key]
— pl. -ses
  1. a reduction in emphasis: There has been de-emphasis on athletic activities at the school.
  2. the act or process of de-emphasizing.
  3. a process of reducing the relative amplitude of certain frequencies in a signal that have been exaggerated by preemphasis, restoring the signal to its original form.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.