- psophometric
- psopho·met·ric
English syllables. 2014.
psophometric
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Psophometric voltage — is a circuit noise voltage measured with a psophometer that includes a CCIF 1951 weighting network. Note 1: Psophometric voltage should not be confused with psophometric emf, i.e. , the emf in a generator or line with 600 Ω internal resistance.… … Wikipedia
Psophometric weighting — refers to any weighting curve used in the measurement of noise. In the field of audio engineering it has a more specific meaning, referring to noise weightings used especially in measuring noise on telecommunications circuits. Key standards are… … Wikipedia
psophometric — adjective see psophometer … Useful english dictionary
Noise weighting — A noise weighting is a specific amplitude vs. frequency characteristic that is designed to allow subjectively valid measurement of noise. It emphasises the parts of the spectrum that are most important. Usually, noise means audible noise, in… … 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 — 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
Weighting filter — A weighting filter is used to emphasise or suppress some aspects of a phenomenon compared to others, for measurement or other purposes. Contents 1 Audio application … Wikipedia
Weighting curve — A Weighting curve is a graph of a set of factors, that are used to weight measured values of a variable according to their importance in relation to some outcome. The most commonly known example is frequency weighting in sound level measurement… … Wikipedia
DBm — For other uses, see DBM (disambiguation) dBm (sometimes dBmW) is an abbreviation for the power ratio in decibels (dB) of the measured power referenced to one milliwatt (mW). It is used in radio, microwave and fiber optic networks as a convenient… … Wikipedia
Psophometer — In telecommunications, a psophometer is an instrument that provides a visual indication of the audible effects of disturbing voltages of various frequencies. Note: A psophometer usually incorporates a weighting network. The characteristics of the … Wikipedia
