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How to initially calculate how many sound-absorbing panels are needed for a room?

2026-07-16
A simple estimation method is to first measure the total surface area of ​​the room (four walls + ceiling + floor, the floor is usually excluded), and then determine the coverage of the sound-absorbing material based on the target reverberation time. It is generally recommended to cover 30% to 60% of the total wall or ceiling area. Precise calculations require Sabine's Formula: T60 = 0.161V / A (where V is the room volume and A is the total sound absorption). It is recommended to provide the room dimensions and intended use to the manufacturer so that an acoustic engineer can provide a professional layout plan.
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