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Peak signal-to-noise ratio

An engineering term for the ratio between the maximum possible power of a signal and the power of corrupting noise that affects the fidelity of its representation.

Peak signal-to-noise ratio, often abbreviated PSNR, is an engineering term for the ratio between the maximum possible power of a signal and the power of corrupting noise that affects the fidelity of its representation. Because many signals have a very wide dynamic range, PSNR is usually expressed in terms of the logarithmic decibel scale.

Key Terms

engineering term
fidelity
maximum possible power
noise
peak signal noise ratio
power
psnr
ratio
representation
signal

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Acronymn

PSNR

Synonymns

Peak signal-to-noise ratio
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Last modified on May 22 2020
Content adapted from Wikipedia
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