Selection of the walls of which the spectra are depicted in Figure A1, and their properties.
|Code name||Weighted sound reduction index||Spectrum C (Pink noise weighted by A)||Pink noise weighted by isophone 40||Indoor spectrum weighted by A filter||Indoor spectrum weighted by isophone 40||Loudness
||Rw + C50–5000
||Rw + C100–3150
||Rw + C50–3150
||Rw + C100–5000
||Rw + I40
||Rw + indoorA
||Rw + indoor40
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