Video Conferencing – What Does It Mean For You?
October 1, 1995
Canon saved about $200,000 during 1993-94…the US Navy’s distance learning network saved over $4 million over a four-year period…and Norfolk Southern Railroad saved $1,080,000 over an 18-month period. How? By video conferencing! A number of our clients are upgrading their
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
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
Sound Masking
June 1, 1994
Whether you call it white noise, pink noise or NC systems, sound masking is probably the only time that an acoustical consultant will admit that some noise is good. The shift to open plan offices and demountable partitions from the
Residential Sound Isolation
June 1, 1994
We frequently get calls from owners and tenants who wish to improve the sound isolation between apartments and condominiums, particularly in older units. The call often begins with, “I want something I can spray on to the wall to soundproof
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
Front Vs. Rear Projection – Questions and Answers
April 1, 1994
From an entertainment point of view there is probably nothing more impressive than going to a first run cinema (front projection) and being enveloped by the large screen and catchy plot. That’s great if the purpose is for entertainment or
Tech Notes: Hydraulic Pile Drivers Work Out of a Tight Spot, Quietly
September 1, 1993
Driving piles is typically considered one of the noisiest, most disruptive activities at a construction job site. The increased noise and vibration levels can disrupt ongoing client activity as well as adjacent neighbors. However, new hydraulic pile-driving equipment may change
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
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.





