The goal when soundproofing a ceiling is to prevent the transfer of soundwaves from one floor level to another.
How to soundproof a ceiling.
The best way.
It is possible to soundproof ceiling floor partitions to an stc of 80 or higher.
Once you identify the joists with a stud finder device you can drill a small hole into the open ceiling area.
Basic insulation between the ceiling joists is a common way to soundproof a ceiling.
This could be sound transmitting through a common floor ceiling assembly from upstairs to down or downstairs to up or it could be targeting the elimination of noise bleeding from room to room through an open plenum ceiling tile system.
In that case i recommend you get a thick rug first.
To learn how to soundproof a ceiling by decoupling it scroll down.
Once the ceiling is insulated get a 1 2 5 8 inch sheet of drywall and apply a damping compound to it.
You also get to have a more solid and multipurpose ceiling.
Soundproof ceilings aim to control of noise bleeding in or out of a room through a ceiling system.
Then screw the drywall into the underside of the ceiling and fill any gaps with acoustical caulk.
Related questions what is the cheapest way to soundproof a ceiling.
No more noise from your neighbor above so you can have a grudge free friendly relationship.
Noise entering your living sleeping or workspace through the ceiling floor connection can be a real headache.
Finally let the damping compound dry completely which can take up to 10 days.
Unless there s some basketball action going on you may find that it s the only thing you need in order to hear a real difference.