Filling in the blanks

[Transputer]

http://www.bbc.co.uk/rd/pubs/reports/
download pdf:
RD1995/6
Lightweight partitions having improved low frequency sound insulation.
(G.D. Plumb)

Gets the concepts into tested results. With detailed STC diagrams aswell. I particulary liked"The low frequency sound insulations were improved by repositioning the boards to alter the performance at the fundamental partition resonant frequency."

http://www.kineticsnoise.com/architect.html download View Architectural Brochure (548 KB)
more tested designs for floated everything - floors both concrete and composite wood/drywall. Ceilings too.

Well worth studying and then applied to your own circumstances.

Cheers