Posted by Tara on Tuesday, January 24, 2012 at 8:17pm.
Distortion
From Wikipedia, the free encyclopedia
This article is about technology, especially electrical engineering. For other uses, see Distortion (disambiguation).
"Distort" redirects here. For other uses, see Distort (disambiguation).
A distortion is the alteration of the original shape (or other characteristic) of an object, image, sound, waveform or other form of information or representation. Distortion is usually unwanted, and often many methods are employed to minimize it in practice. In some fields, however, distortion may be desirable; such is the case with electric guitar distortion.
The addition of noise or other extraneous signals (hum, interference) is not considered to be distortion, though the effects of quantization distortion are sometimes considered noise. A quality measure that explicitly reflects both the noise and the distortion is the Signal-to-noise-and-distortion (SINAD) ratio.
Displacement (psychology)
From Wikipedia, the free encyclopedia
In Freudian psychology, displacement (German Verschiebung, 'shift' or 'move') is an unconscious defense mechanism whereby the mind redirects effects from an object felt to be dangerous or unacceptable to an object felt to be safe or acceptable.[1] The term originated with Sigmund Freud.[2]
Displacement operates in the mind unconsciously and involves emotions, ideas, or wishes being transferred from their original object to a more acceptable substitute. It is most often used to allay anxiety; and can to the displacement of aggressive impulses or to the displacement of sexual impulses
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