preemphasis

/pree-em-fuh-sis/US // priˈɛm fə sɪs //

预先强调,前言,前期强调,预先提示

Definitions

n.名词 noun

1
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.