Audio Distortion
In this context, distortion refers to any kind of deformation of an output waveform compared to its input, usually clipping, harmonic distortion, or intermodulation distortion (mixing phenomena) caused by non-linear behavior of electronic components and power supply limitations. Terms for specific types of nonlinear audio distortion include: crossover distortion, slew-Induced Distortion (SID) and transient intermodulation (TIM).
Distortion in music is sometimes intentionally used as an effect, see also overdrive and distortion synthesis. Other forms of audio distortion that may be referred to are non-flat frequency response, compression, modulation, aliasing, quantization noise, wow and flutter from analog media such as vinyl records and magnetic tape. The human ear cannot hear phase distortion, except that it may affect the stereo imaging. (See also: Audio system measurements.)
In most fields, distortion is characterized as unwanted change to a signal.
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Famous quotes containing the word distortion:
“This is our fate: eight hundred years’ disaster,
crazily tangled like the Book of Kells:
the dream’s distortion and the land’s division,
the midnight raiders and the prison cells.”
—John Hewitt (b. 1907)