|
Etude du logiciel CATT Acoustic RoundRobin Test ELMIA Hall |
Le modèle VRML de la salle modélisée dans CATT-Acoustic
| surface | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|
wooden floor (stairs and stage) |
0.15 |
0.08 |
0.06 |
0.06 |
0.06 |
0.06 |
|
wooden walls and underside of balconies (birchwood) |
0.21 |
0.12 |
0.09 |
0.06 |
0.09 |
0.13 |
|
ceiling |
0.20 |
0.15 |
0.10 |
0.08 |
0.04 |
0.02 |
|
reflectors above the stage |
0.12 |
0.10 |
0.04 |
0.03 |
0.03 |
0.02 |
|
seats in main area |
0.45 |
0.60 |
0.73 |
0.80 |
0.75 |
0.64 |
|
seats in the rear part |
0.50 |
0.66 |
0.80 |
0.88 |
0.83 |
0.70 |
|
linoleum floor between the seats (balcony) |
0.02 |
0.03 |
0.03 |
0.04 |
0.06 |
0.05 |
|
back wall and walls without wood veneer, variable reflectors |
0.20 |
0.12 |
0.06 |
0.04 |
0.07 |
0.10 |
|
window glass |
0.02 |
0.06 |
0.03 |
0.03 |
0.02 |
0.02 |
|
plastered concrete (front and underside of speaker rooms) |
0.02 |
0.02 |
0.03 |
0.03 |
0.04 |
0.06 |
|
ventilation grid on the stage |
0.08 |
0.12 |
0.15 |
0.15 |
0.12 |
0.08 |
| surface | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
| for big flat surfaces: | 0.15 | 0.13 | 0.11 | 0.09 | 0.07 | 0.05 |
| for smaller flat surfaces and misc. surfaces: | 0.30 | 0.27 | 0.24 | 0.21 | 0.18 | 0.15 |
| for the audience surfaces: | 0.30 | 0.40 | 0.50 | 0.60 | 0.65 | 0.70 |
| for the closed adjustable reflectors | 0.15 | 0.20 | 0.25 | 0.35 | 0.45 | 0.50 |

