AudienceHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Odeon (Index 901)
Areas with audience, orchestra or choir including narrow aisles
PTB reference data
Original description
Areas with audience, orchestra or choir including narrow aisles
Material properties
No further information available.
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.83
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.25 | 0.30 | 0.30 | 0.30 | 0.30 |
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Method (354): Measured