distortion
  • noun the act of going out of shape or of putting something out of shape
  • The failure of a circuit, device, component, or system to accurately reproduce at its output the essential characteristics of its input.
  • Any undesired changes in the waveform of a signal passing through a circuit, device, or transmission medium. Also, the extent of such changes. Examples include amplitude, harmonic, intermodulation, and phase distortion. Also called waveform distortion.
  • Any undesired changes occurring in a reproduced image, as compared to the original image. An example is optical distortion. Also called image distortion.
  • Any undesired changes in the waveform of a wave, especially an acoustic wave.

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