Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing signals, such as sound, images, potential fields, seismic signals, altimetry processing, a
An electronic mixer is a device that combines two or more electrical or electronic signals into one or two composite output signals. There are two basic circuits that both use the term mixer, but they
A simple three-channel passive additive mixer. More channels can be added by simply adding more input jacks and mix resistors.
A "virtual ground" active additive mixer. The buffer amplifiers serve to reduce crosstalk and distortion.