quantitykind:SoundReductionIndex

Type
Description

Properties
The Sound Reduction Index is used to measure the level of sound insulation provided by a structure such as a wall, window, door, or ventilator.
$$R = 10 \log (\frac{1}{\tau}) dB$$, where $$\tau$$ is the transmission factor.
Annotations
Sound reduction index(en)
belongs to SOQ-ISO

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