signal processing

Short definition from Wiktionary

Noun

1. 1
   A subfield of electrical engineering focusing on analyzing, modifying and synthesizing signals, such as sound, images, potential fields, seismic signals, altimetry processing, and scientific measurements.
2. 2
   A subfield of electrical engineering focusing on analyzing, modifying and synthesizing signals, such as sound, images, potential fields, seismic signals, altimetry processing, and scientific measurements: Synonym of wave processing (“modifying the properties of a wave or/and translating it from one environment to the other”).