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

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 installed overhead speakers and tabletop microphones, to a full scale audio for video conferencing system… Read more »

Sound Masking

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 traditional “private” office with gypsum board construction has created the need to raise the background… Read more »

Residential Sound Isolation

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 it so I don’t hear my neighbor’s stereo…” or “My neighbor’s snoring keeps me awake… Read more »

Residential Sound Isolation

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 it so I don’t hear my neighbor’s stereo…” or “My neighbor’s snoring keeps me awake… Read more »

Sound Masking

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 traditional “private” office with gypsum board construction has created the need to raise the background… Read more »

Peach Piracy?

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 telephone conversation or the meeting in an adjacent office cubical without having to stop, listen… Read more »

Front Vs. Rear Projection – Questions and Answers

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 large scale audiences. However, if the purpose is to explain a project topic or concept,… Read more »

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

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 for the following reasons: First, loudspeakers are typically mounted in the ceiling.  This places ceiling… Read more »