This column is intended as an interactive forum to discuss audiovisual and acoustical technologies, and your questions make the job of writing absolutely enjoyable. Several readers have told me that one of the most frustrating experiences is to have a meeting interrupted by sounds from the adjacent spaces separated by "airwalls." While painstaking for the planner, there are ways to respond to this ongoing challenge. Let's look at the issues and some solutions.
Developers' Directive Th