Walk the Walk: Audio and Video Terms

From AAD to Voice Coils (we don't have any "Z" terms yet), this glossary will break-down the alphabet soup and "audiophile-speak." Credit for some terms: TheWhippinpost, Aaron Miller, Audio Concepts

Center Channel
 In home theater, sound decoded from the stereo signal sent to a speaker mounted in front of the listener, specially designed to enhance voices and sound ef...
Mon, 13 Oct, 2014 at 2:53 PM
Channel
In components and systems, a channel is a separate signal path. A four-channel amplifier has at least four separate inputs and four separate outputs. 
Mon, 13 Oct, 2014 at 2:57 PM
Channel Balance
In a stereo system, the level balance between left and right channels. Properly balanced, the image should be centered between the left-right speakers. In a...
Mon, 13 Oct, 2014 at 2:58 PM
Chassis
Frame or basket that houses the midrange or bass driver components. 
Mon, 13 Oct, 2014 at 2:59 PM
Chesty
 The vocalist sounds like their chest is too big. A bump in the low frequency response around 125 to 250 Hz.
Mon, 13 Oct, 2014 at 3:00 PM
Chrominance (C)
The color portion of a video signal. 
Mon, 13 Oct, 2014 at 3:01 PM
Circuit Breaker
An electrical switch that automatically breaks a circuit if the current through it is too high, then can be manually reset. Performs the same function as a ...
Mon, 13 Oct, 2014 at 3:01 PM
Class A, Class A-B etc.
 Amplifying an audio signal means using AC or DC current to increase the amplitude from low output to high. Different classes of amplifiers accomplish this ...
Mon, 13 Oct, 2014 at 3:02 PM
Clear
 See Transparent.
Mon, 13 Oct, 2014 at 3:03 PM
Clipping
Audible distortion occurring when the peaks of an amplifier's output are flattened (or clipped). When the input is too high, an amplifier has insufficie...
Mon, 13 Oct, 2014 at 3:07 PM