Image

I Can Hear a Pin Drop

April 1, 1999   
When an acoustical consultant walks into a room, the first thing they tend to notice is the acoustics. It can’t be helped, it’s second nature in much the same way a decorator would look at the furnishings. Occasionally someone else
Image

Fiberboard Facts

June 1, 1997   
By whatever name you call it: Fiberboard, Beaver board, sound-deadening board, CelotexTM, or HomasoteTM, this material seems to be making a comeback with potential acoustical uses. But before you decide to add it to your next project, you should know
Image

Growing Trends in Green Insulation

October 1, 1996   
Insulation is all around us. Though we may not pay attention to the different types of insulation, we would certainly notice its absence. The main purpose of this hidden barrier is to secure a building’s interior temperature from the outside
Image

Resilient Channels – How Metal Absorbs Sound Waves

April 1, 1996   
Anyone who’s ever shared a wall with someone else has probably wondered if the walls were intentionally thin, or the neighbors intentionally loud. Often the assumption is that the walls between dwellings simply need to be thicker to muffle sound.
Image

Audio Considerations in Teleconferencing – “Can You Hear Me?”

June 1, 1995   
Teleconferencing, holding meetings by an electronic means, is one of the fastest growing industries in the world. The word “teleconferencing” means different things to different people. Teleconferencing can range from a conference call with speaker phones to a system with
Image

Binauralization™ — Now You Can HEAR How it Will Sound BEFORE Construction Starts!

April 1, 1995   
How often have you wondered what a room was going to sound like before it was built? How would it sound if the walls were parallel and not canted? Are all of the acoustical room finishes really required? Will there
Image

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
Image

Acoustical Terms – What Are They/What Do They Mean?

June 1, 1993   
Recently we were asked “What is the difference between STC, NRC, and NC and are they interrelated?” STC or Sound Transmission Class, describes how much sound a wall or a floor/ceiling construction will block from one room to the next.
Image

Office Acoustics

March 1, 1993   
A question we are frequently asked by Project Managers is how can we improve the acoustical privacy between offices and work stations? The level of acoustical privacy is defined as the amount of conversation that can be heard and understood