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DECIBEL ABOVE REFERENCE NOISE [1 record]

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Alphabetical list of terms

Record 1 1987-07-03

English

Subject field(s)
  • Telephone Metering
  • Audio Technology
  • Telecommunications
DEF

Unit used to show the relationship between the interfering effect of a noise frequency, or band of noise frequencies, and a fixed amount of noise power commonly called reference noise; a 1000-hertz tone having a power level of -90 dBm was selected as the reference noise power ....

OBS

Superseded by the adjusted decibel unit.

French

Domaine(s)
  • Téléphonométrie
  • Électroacoustique
  • Télécommunications

Spanish

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