Equivalent pulse code modulation noise

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In

quantization noise in a PCM

Note 1: The speech quality judgment is based on comparative tests.

Note 2: Generally, 33.5 dBrnC ±2.5 dB is considered the approximate equivalent PCM noise of a 7-bit PCM system
.

References

This article incorporates public domain material from Federal Standard 1037C. General Services Administration. Archived from the original on 2022-01-22. (in support of MIL-STD-188).

Noise (physics and telecommunications)

General

Noise in...

Class of noise

Engineering
terms

Ratios

Carrier-to-noise ratio (C/N)
Carrier-to-receiver noise density
(C/kT)
dBrnC
E_b/N₀ (energy per bit to noise density)
E_s/N₀ (energy per symbol to noise density)
Modulation error ratio (MER)
Signal, noise and distortion (SINAD)
Signal-to-interference ratio (S/I)
Signal-to-noise ratio (S/N, SNR)
Signal-to-noise ratio (imaging)
Signal-to-interference-plus-noise ratio (SINR)
Signal-to-quantization-noise ratio (SQNR)
Contrast-to-noise ratio (CNR)

Related topics

Denoise
methods

General	Low-pass filter Median filter Total variation denoising Wavelet denoising
2D (Image)	Gaussian blur Anisotropic diffusion Bilateral filter Non-local means Block-matching and 3D filtering (BM3D) Shrinkage Fields Denoising autoencoder (DAE) Deep Image Prior

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