The classroom acoustics standard has significant revisions made in a proposed draft. It is available for purchase and public comment as described in the link below (important excerpt shown)
http://publicaa.ansi.org/sites/apdl/Documents/Standards%20Action/2010%20PDFs/SAV4103.pdf
Our firm is reviewing the document to then describe the key changes made. Look for a post soon on this topic. We welcome your comments and will post those relevant to the subject.
