Equivalent pulse code modulation noise
id:
equivalent-pulse-code-modulation-noise-178-13535816
title:
Equivalent pulse code modulation noise
text:
In telecommunications, equivalent pulse code modulation (PCM) noise is the amount of noise power on a frequency-division multiplexing (FDM) or wire communication channel necessary to approximate the same judgment of speech quality created by quantization noise in a PCM channel.
- 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.
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Equivalent_pulse_code_modulation_noise
date created:
2002-02-25T15:51:15Z
date modified:
2024-09-04T18:57:50Z
main entity:
{"identifier":"Q5384727","url":"https://www.wikidata.org/entity/Q5384727"}
image:
fields total:
13
integrity:
14