Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Original description
Carpet: Loop pile tufted carpet, 1.4 kg/m², 9.5 mm pile height: On hair and jute pad, 3.0 kg/m²
ISO 354 – reverberation chamber
αp nach ISO 11654
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Method (354): Measured
