Walk into almost any hospital in Texas at 3 a.m. and you'll hear it before you see it: the rhythmic beep of an IV pump, a cart wheel squeaking down a linoleum hallway, an overhead page, a monitor alarm nobody rushes to silence, a door that never quite closes softly. Multiply that by every patient room, every nursing station, every floor, and you get a soundscape that the World Health Organization says should never exceed 35 decibels at night - yet regularly spikes past 85. Fo

Walk into any Texas school cafeteria at 11:45 a.m. and you'll understand the problem before anyone explains it to you. Trays clatter. Four hundred kids talk at once. Chairs scrape across polished concrete. A teacher shouts over the din, and the shout itself becomes part of the noise. Sound bounces off cinderblock walls, steel roof decks, and hard vinyl flooring until the whole room feels like the inside of a drum. This isn't just an annoyance. Cafeteria noise control for Texa