You can see that all of these methods by Sound Proofing Guys in Stockton, AL offer varying degrees of separation of the drywall on one side from the drywall on the other side. Again, all of the walls shown are superior to a single stud (common) wall.
For a full explanation on Soundproofing call Sound Proofing Guys in Stockton, AL on 800-593-3340 and get the best advice around. Trust the experts in Soundproofing in the Stockton, AL area.