preemphasis en · NOUN
Etymology
Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- English emphasis English preemphasis From pre- + emphasis.
Meanings
- (uncountable) Amplification applied to certain frequencies of a signal to improve its signal-to-noise ratio.