Table 4 Sound absorption and reflection coefficients of material parameters in the model
From: Acoustic adaptation mechanism of a traditional ancestral temple theatre in northeast Jiangxi
Material | Sound absorption coefficient under the following frequencies (Hz) | Scattering coefficient | |||||
|---|---|---|---|---|---|---|---|
125 | 250 | 500 | 1000 | 2000 | 4000 | ||
Clay tile roof | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.50 |
Ceiling | 0.16 | 0.15 | 0.10 | 0.10 | 0.10 | 0.10 | 0.40 |
Beams and columns | 0.10 | 0.07 | 0.05 | 0.05 | 0.05 | 0.05 | 0.30 |
Bucket arch | 0.19 | 0.43 | 0.44 | 0.40 | 0.42 | 0.40 | 0.40 |
Plastering brick wall | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.03 | 0.05 |
Wooden floor | 0.12 | 0.08 | 0.05 | 0.05 | 0.04 | 0.04 | 0.10 |
Wooden door | 0.16 | 0.15 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
Brick floor | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.02 | 0.05 |
Audience | 0.30 | 0.45 | 0.52 | 0.62 | 0.61 | 0.56 | 0.70 |
Transmission interface | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
