The ceiling is usually the last thing anyone blames for a noisy office, right up until someone measures it. Old mineral fibre tiles sag, lose their acoustic backing over years, and were often specified at handover for budget and ceiling height rather than for sound performance, which is common practice...
Hanging Baffles or Ceiling Tiles: Which One Actually Fixes Your Auditorium’s Echo?
If your auditorium still sounds like a train station after the acoustic panels went up, the ceiling is probably why. Walls catch some of the noise, but sound bounces off a flat, hard ceiling and keeps travelling across the room. That's what turns speech into a blur and applause into...