TextileHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: M. Heckl, H.A. Müller: Taschenbuch der Technischen Akustik, Springer 1994
Loop pile carpet, surface-treated
PTB reference data
Original description
Loop pile carpet, surface-treated
Material properties
Thickness: 4.5 mm
Mounting: mounted directly on floor
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.18
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.00 | 0.05 | 0.15 | 0.35 | 0.30 |
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Method (354): Measured