Please follow the below links for further information
regarding acoustics and noise isolation
The Acoustical Society of America
The Audio Engineering Society
Acoustics.Com
STC Ratings.Com
The Engineering Toolbox - Acoustics
Friends of Technological Design Studios
Diversified Systems Inc.
ShowMotion
Erie Street Theatrical Services
Recommended Links
Eighth Day Sound Systems
RPG Diffusor Systems, Inc.
RPG Korea Diffusor Systems:
Sensus Design and Architecture