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sound insulation

10.46  transmission loss; sound insulation. Of a partition, for a specified frequency or frequency band, difference in decibels between the average sound pressure levels in the reverberant source and receiving rooms, plus ten times the logarithm to the base ten of the ratio of the area of the common partition to the total Sabine absorption in the receiving room. Unit, decibel (dB); abbreviation, TL.

Annotation              See also 5.35.

Related Articles:
  • Standards Terms: transmission loss
  • Standards Terms: sound transmission class
  • Standards Terms: sound reduction index
  • Standards Terms: normalized impact sound index
  • Standards Terms: impact insulation class
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Related Terms:
  • Term: transmission loss
  • Term: Sabine absorption
  • Term: sound pressure
  • Term: frequency
  • Term: sound
  • Term: decibel

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