Meaning of PREEMPHASIS in English

/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 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .