O
Ohms: Unit of electrical resistance. The most commonly seen use of ohm ratings is speaker impedance. See Impedance.Omnidirectional Loudspeaker: A loudspeaker that radiates sound in all directions.
Out of phase:
Optical Digital Audio: Connection using a fiber optic cable, used to transfer digital audio signals between components. It was developed by Toshiba and also referred to as Toslink.
Optical Zoom: A lens that changes its magnification by moving optical elements within the lens barrel.
Overexposure: Term used in photography to describe an image that received too much light, rendering it too light and burning out detail. See Underexposure.
