Surprisingly, wood construction never really stopped improving and even picked up in the past decade or two. A renovation would not touch the core construction

Surprisingly, wood construction never really stopped improving and even picked up in the past decade or two. A renovation would not touch the core construction or noise. In order to make it even a little quieter you'd have to rip up the floor down to the joists and install a new subfloor. Innovations like engineered lumber, PEX and high R insulation have made a world of difference since my habitat for humanity days.