Project Overview This acoustic tuning project is for a 420-seat university lecture hall in Barcelona, Spain. The original hard masonry walls and high ceiling caused obvious low-mid frequency standing waves. Lecturers’ speech lost clarity, and...

Project Challenge This key university’s multi-purpose academic lecture hall hosts academic reports, keynote speeches, seminars and small performances. The large-volume masonry structure suffers from severe mid-low frequency reverberation. S...

Indoor sports and recreation facility construction is booming globally, and low-frequency reverberation remains one of the most persistent acoustic challenges for gymnasiums, indoor courts and multipurpose sports halls. Conventional porous aco...