Sound pressure level in a semi-anechoic chamber
| Measurement |
Sound pressure level (averaged values and statistical analysis), directional pattern of sound sources |
| Measurement object |
Machinery and equipment, ventilation and air-conditioning systems, especially large measuring objects |
Technical data
| Free room size (L × W × H) |
19,43 × 5,25 × 6,17 m
|
| Room volume |
629 m3
|
| Entrance door (H × W) |
1,90 × 2,37 m
|
Special features
| Connection to a reverberation room |
Measurement of sound insulation and sound absorption of elements between reverberation and anechoic room |
| Size of the connecting door (measuring surface) |
3,8 × 2,35 m |
Fraunhofer Institute for Building Physics