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Transmissão acústica - ISO 16283

 

Um sonômetro, o instrumento usado para medir o nível de pressão sonora.
ACOUSTIC TRANSMISSION COEFFICIENTS ACCORDING TO ISO 16283 STANDARD
They are used to measure the soundproofing effectiveness of artifacts used in the construction of buildings, such as walls, windows, doors, etc.

Coefficients
They are various and adaptable to different situations:
Dw - Weighted Difference level
R - Sound Reduction Index
R' - Apparent Sound Reduction Index
Dn - Normalized Level Difference
DnT - Standardized Level Difference