AV input stands for Audio/Visual input, which is a common label on a connector to receive (AV) audio/visual signals from electronic equipment that generates AV signals (AV output).
These terminals are commonly found on such equipment as a television, DVD recorder or VHS recorder, and typically take input from a DVD player, a TV tuner, VHS recorder or camcorder.
Types of plugs used for video input Composite video RCA connector BNC connector UHF connector 1/8 inch minijack phone connector S-video DIN plug (also used for Apple Desktop Bus) Component video RCA connector RGBHV Digital video HDMI (High Definition Multimedia Interface) DVI (Digital Video Interface) IEEE 1394 (FireWire) SPDIF (Sony Philips Digital Interface)
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