Global Parameters

Air temperature: 22°C
Air pressure: 101325 Pa

X Axis: Frequency
Range: 20Hz - 20000Hz
Scale: logarithmic
Resolution: medium

Angle of incidence: random
Porous model: Miki (1990)
Helmholtz model: Ingard/Allard

Absorber Parameters

• Absorber 1
25mm Porous Absorbent, 21000 Pa.s/m2
Rigid backing
• Absorber 2
50mm Porous Absorbent, 21000 Pa.s/m2
Rigid backing
• Absorber 3
100mm Porous Absorbent, 21000 Pa.s/m2
Rigid backing
• Absorber 4
100mm Porous Absorbent, 21000 Pa.s/m2
100mm Air
Rigid backing