sources for optimal speaker placement in auditoriums? (Michael J Epstein )

Subject: sources for optimal speaker placement in auditoriums?
From:    Michael J Epstein  <auditorylist3646(at)INFORMATION-AGE.ORG>
Date:    Wed, 19 Oct 2005 13:22:10 -0400

Can anyone recommend sources on optimal speaker placement in auditoriums?

Thanks.

Mike