sound transmission loss

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sound transmission loss, transmission loss, TL

A measure of the sound-insulation value of a partition; the amount, in decibels, by which the intensity of sound is reduced in transmission through the partition.
References in periodicals archive ?
A normal mode analysis has been performed and achieved results used to calculate the sound transmission loss in the frequency range 0-2500 Hz.
ASTM E90--09(2016), "Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements", ASTM International, West Conshohocken, PA (2016)
Figure 2 shows the sound transmission loss test data for doubling the surface mass of the same panel with application of absorption material (dash insulator).
The Mass Law is also observed where the thinner a construction gets, the overall sound transmission loss decreases, and more sound is transmitted through the glazing.
The sound transmission loss (R) of a partition depends on it's mass, the stiffness and dimensions.
Sound Transmission Loss (TL), measured n decibels is an indication of how much noise a window will block out.