10.47 sound transmission coefficient. At a stated frequency, fraction of incident sound power transmitted through a partition. Symbol, . Annotation ...
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...
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...
10.45 normalized level difference; normalized noise reduction. Level difference between rooms plus ten times the logarithm to the base ten of the ratio of the reverberation time in the receiving room to reference reverberation time of 0.5 s. Unit, decibel...
10.45 normalized level difference; normalized noise reduction. Level difference between rooms plus ten times the logarithm to the base ten of the ratio of the reverberation time in the receiving room to reference reverberation time of 0.5 s. Unit, decibel...
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