Absorbing soundRunning
Reflection deck. Panel area at 386 m². Absorption achieved 251.16 units, Absorption needed 130 units. Currently absorption achieved is over by 121.16 units.TUNINGINCIDENTREFLECTED386 M²
t = 0.0s

Absorption achieved

251.16units

Absorption needed

130units

386

Reflection deck. Panel area at 386 m². Absorption achieved 251.16 units, Absorption needed 130 units. Currently absorption achieved is over by 121.16 units.

What has to balanceA=αSA = \alpha S

What is happening

You are called to a school hall being treated so speech is intelligible.

The hall will not settle. It needs 130 absorption units, the panels absorb 0.65 of the sound striking them, and the area ordered is short.