Sound Reduction Index legal definition of Sound Reduction Index
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R abbreviation for rex or regina, ‘king’ or ‘queen’. The initial letter is used in proceedings, especially English criminal proceedings, to indicate that the Crown is the plaintiff or, more usually, prosecutor: R v. Haddock In Scotland, prosecutions run in the name of Her (or His) Majesty's Advocate, hence cases are cited HMAv. McFable.
References in periodicals archive
The mass law equation predicts a 6 dB increase of the sound reduction index
in case of doubling the thickness of the partition or of the frequency of the incident sound.
It also has good sound reduction index
, fire resistance properties, cost effective and easy to fabricate and install.
flexural rigidity, shear rigidity, weighted sound reduction index
, thermal resistance etc.