Soundproof Walls

What contributes to good acoustics in a church?

Thank you! Sans sound system, please, like in a medieval church.

Public Comments

1. http://www.church-acoustics.com/ http://www.orpheus-acoustics.com/churches.asp http://www.allchurchsound.com/ACS/edart/index.html http://www.rane.com/pdf/ranenotes/Acoustics%20&%20Sound%20Systems%20in%20the%20Contemporary%20Church.pdf http://www.wired.com/culture/lifestyle/news/2007/03/72920