Characterizing flanking transmission paths in the NRC-IRC flanking facility
Keywords:Acoustic noise, Acoustic wave transmission, Architectural acoustics, Airborne sound, Flanking transmission, Measurement methods, National Research Council
AbstractA study was conducted to describe the methodology used in the National Research Council IRC (NRC-IRC) Flanking Facility to systematically measure airborne sound transmission through each flanking path for the 6 junctions of the specimen. The room arrangement in the facility allowed evaluation of 8 horizontal, 4 vertical, 8 diagonal, and 8 cross diagonal pairs of rooms. The floor flanking paths were characterized in the upper rooms of the facility, while the flanking paths of the diagonal and vertical room pairs were estimated using the same methodology. The methodology had its own limitations similar to other measurement methods, despite performing measurements and evaluations.
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