Classroom noise also can be reduced by installing sound -
absorbing ceiling tile, draperies, and wall - to - wall carpeting.
Sound -
absorbing ceiling tiles aren't a good option You won't get good results from cathedral or vaulted ceilings either because the sound won't reflect properly.
Not exact matches
Acoustical
tile ceilings, wall coverings, and bookshelves that
absorb sound can help, she said.
Apply acoustical
tiles or shock -
absorbing materials to
ceilings and walls of buildings to reduce or reflect sound and to decorate rooms