Focus on Acoustics: Ceiling Treatments

August 1, 2009   
Note: TA provided this article for the August 2009 issue of Buildings. Good acoustical design is an integral part of making a space fulfill its purpose. Whether we’re looking at retail space, a restaurant, open-plan offices, a videoconference room, a

Why STC Doesn’t Tell You Everything

March 1, 2005   
The sound isolating properties of wall and floor/ceiling assemblies are often presented using a single number rating system, the Sound Transmission Class (STC). The STC rating of a partition is determined by following an ASTM Standard which compares the sound

Another Neat New Loudspeaker

May 1, 2004   
Part of the solution for the Bloomingdale’s Medinah Temple Home Store was finding a loudspeaker that sounded good, but had a small “form factor”. We had previously used TOA’s H-1 loudspeaker for pew back audio systems in churches and for

Peach Piracy?

April 1, 1994   
Speech privacy (peach piracy) exists when a conversation cannot be understood even if it can be heard. There are 4 levels of speech privacy; normal, confidential, inaudibility and none. Normal speech privacy exists when someone can only partially understand the

Tech Notes: Ceiling Mounted Microphones – A Solution or a Problem?

June 1, 1993   
With hopes of eliminating tabletop or podium microphones, End Users, Designers and Architects frequently ask, “What about sticking them on the ceiling?”  Usually, what seems like an easy solution is not the best solution. Ceiling mounted microphones are not recommended