Speech intelligibility and the difficulties with material choice.

Speech intelligibility is of high importance in sports halls, particularly when teaching children. As is now stated in the BB93 ‘Acoustics in Schools’ legal requirements, reverberation times need to be controlled to support this. The other problem is that these halls are often used for music, plays and speaking events which also require more reverberation control than a bare hall will typically offer.

The difficulty here is finding a material with the durability to withstand impact from balls. Traditional fibrous absorbers will be damaged easily. The system pictured below uses Quietstone Light mounted on timber battens with a mineral fibre backing. This gives Class A absorption with high impact resistance and easy installation at a very competitive price.


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