Definitions of DTV, HDTV & 3DTV Terms

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Term Definition

Baluns See Adapters.
Barn Doors This term is used in television production to describe the effect that occurs when a 4:3 image is viewed on a 16:9 screen. When this happens, viewers see black bars, or, "barn doors," on the sides of the screen.
Broadcast Spectrum An entire range of frequencies used for radio and television transmission.
Broadcasting Using radio waves to distribute radio or TV programs, which are available for reception by the general public.