- TMDecibels above reference noise, C-message weighted.
IT glossary of terms, acronyms and abbreviations. Faulkner Information Services . 2015.
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dBrnC — represents an audio level measurement, typically in a telephone circuit, relative to the circuit noise level, with the measurement of this level frequency weighted by a standard C message weighting filter. The C message weighting filter was… … Wikipedia
DBrnC — represents an audio level measurement, typically in a telephone circuit, relative to the level of circuit noise, with the measurement of this level frequency weighted by a standard C message weighting filter. The C message weighting filter was… … Wikipedia
DBRNC — dB relative to noise (C Notch or C Message) (Computing » Telecom) … Abbreviations dictionary
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Decibel — This article is about the ratio of measures. For sound or acoustic level, see Sound pressure. For other uses, see Decibel (disambiguation). Attenuation chart of an RG 6 Coaxial cable, measured in decibels per 100 feet of cable The decibel (dB) is … Wikipedia
Channel noise level — In telecommunications, the term channel noise level has the following meanings: The ratio of the channel noise at any point in a transmission system to an arbitrary level chosen as a reference. The noise power spectral density in the… … Wikipedia
Cosmic noise — and galactic radio noise is random noise that originates outside the Earth s atmosphere. It can be detected and heard on radio receivers. Elaboration Cosmic noise characteristics are similar to those of thermal noise. Cosmic noise is experienced… … Wikipedia
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Equivalent pulse code modulation noise — In telecommunication, equivalent pulse code modulation noise (PCM) is the amount of thermal noise power on a frequency division multiplexing (FDM) or wire channel necessary to approximate the same judgment of speech quality created by quantizing… … Wikipedia
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