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.
Absorbing soundRunning
Absorption achieved
250.9units
Absorption needed
130units
Absorption achieved is over by 120.9 units
Reflection deck. Panel area at 386 m². Absorption achieved 250.9 units, Absorption needed 130 units. Currently absorption achieved is over by 120.9 units.
What has to balance