I really did not anticipate acoustics to matter, yet opening patterns, backing materials

https://emiliodvam464.theburnward.com/salvo-metal-works-the-architect-s-partner-for-100-year-copper-smokeshaft-shrouds

I really did not expect acoustics to matter, yet perforation patterns, backing materials, and panel depths in metal ceilings tame reverberation while keeping crisp, contemporary lines.