distortiondɪˈstɔr ʃən
distortion (n)
- plural
- distortions
English Definitions:
distortion, deformation (noun)
a change for the worse
distorted shape, distortion (noun)
a shape resulting from distortion
aberration, distortion, optical aberration (noun)
an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
distortion (noun)
a change (usually undesired) in the waveform of an acoustic or analog electrical signal; the difference between two measurements of a signal (as between the input and output signal)
"heavy metal guitar players use vacuum tube amplifiers to produce extreme distortion"
distortion, overrefinement, straining, torture, twisting (noun)
the act of distorting something so it seems to mean something it was not intended to mean
distortion (noun)
the mistake of misrepresenting the facts
distortion (Noun)
An act of distorting.
distortion (Noun)
A result of distorting.
distortion (Noun)
A misrepresentation of the truth.
distortion (Noun)
Noise or other artifacts caused in the electronic reproduction of sound or music.
distortion (Noun)
An effect used in music, most commonly on guitars in rock or metal.
distortion (Noun)
(optics) an aberration that causes magnification to change over the field of view.
Distortion
Distortion is the alteration of the original shape of something, such as an object, image, sound or waveform. Distortion is usually unwanted, and so engineers strive to eliminate distortion, or minimize it. In some situations, however, distortion may be desirable. The important signal processing operation of heterodyning is based on nonlinear mixing of signals to cause intermodulation. Distortion is also used as a musical effect, particularly with electric guitars. The addition of noise or other outside signals is not deemed distortion, though the effects of quantization distortion are sometimes deemed noise. A quality measure that explicitly reflects both the noise and the distortion is the Signal-to-noise-and-distortion ratio.
Distortion
In signal processing, distortion is the alteration of the original shape (or other characteristic) of a signal. In communications and electronics it means the alteration of the waveform of an information-bearing signal, such as an audio signal representing sound or a video signal representing images, in an electronic device or communication channel. Distortion is usually unwanted, and so engineers strive to eliminate or minimize it. In some situations, however, distortion may be desirable. For example, in noise reduction systems like the Dolby system, an audio signal is deliberately distorted in ways that emphasize aspects of the signal that are subject to electrical noise, then it is symmetrically "undistorted" after passing through a noisy communication channel, reducing the noise in the received signal. Distortion is also used as a musical effect, particularly with electric guitars. The addition of noise or other outside signals (hum, interference) is not considered distortion, though the effects of quantization distortion are sometimes included in noise. Quality measures that reflect both noise and distortion include the signal-to-noise and distortion (SINAD) ratio and total harmonic distortion plus noise (THD+N).
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"distortion." Kamus.net. STANDS4 LLC, 2024. Web. 18 Apr. 2024. <https://www.kamus.net/english/distortion>.
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