TextileHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991
Drapes, light velour, hung straight, in contact with wall
PTB reference data
Original description
Drapes, light velour, hung straight, in contact with wall
Material properties
Wall distance: 0 mm
Mounting: hung straight, in contact with wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.16
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.05 | 0.10 | 0.15 | 0.25 | 0.35 |
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Method (354): Measured