Imaging
A listening term - refers to the way instruments appear as objects hanging in the three-dimensional space within the recorded acoustic.
Impedance
The opposition of a circuit or speaker to current; the combined effect of a speaker's resistance, inductance, and capacitance that opposes the current fed to it. It is measured in ohms and varies with the frequency of the signal.
IR (infrared)
Refers to a device that sends or receives commands by means of an infrared light beam.
