There are many useful products available to create a better sound barrier in walls and ceilings. Useful applications are to sound proof a bedroom or bathroom, close off a media room, or meet required specification in multifamily developments.
The following products can be used on their own or in combination with each other:
Wall Insulation:
Insulating walls helps dampen noise from passing through walls.
Ceiling Insulation:
Insulating ceilings keeps noise from traveling to floors above.
Sound Bar:
Sound bar helps reduce the sound vibrations from passing through the framed structure.
Extra Drywall:
Additional layers of drywall helps control sound be creating a denser wall.