I didn't expect acoustics to matter, yet perforation patterns, backing products

https://garrettfvii322.trexgame.net/architects-on-copper-why-custom-made-smokeshaft-shrouds-are-specified-for-100-year-roofing-systems

I didn't expect acoustics to matter, yet opening patterns, backing materials, and panel midsts in steel ceilings tame reverberation while keeping crisp, modern lines.