I didn't anticipate acoustics to matter, yet perforation patterns, backing materials

https://privatebin.net/?5c1fa77c3cb22843#HdyeEkrpV4ke7qpWumNEyM5HAFY2tsvwCjSAhxLDYzRs

I didn't expect acoustics to matter, yet perforation patterns, backing materials, and panel depths in steel ceilings tame reverberation while maintaining crisp, modern-day lines.