Quiet Floors

Floor systems in multifamily housing are getting thinner and lighter in weight. Both of these work against a successful acoustical design. To overcome this we are constantly looking at and reviewing new products. Something that has caught our eye is a product from Pennsylvania based Dodge-Regupol. Dodge-Regupol, Inc. (DRI) was founded in 1989 through a… Read more »

Loudspeaker Technology

Over the past few years, thanks to digital signal processing, audio designers have been able to develop arrays of loudspeakers. By grouping loudspeaker boxes with special signal processing the coverage area can be changed and controlled. This type of design can help minimize reflections off of walls at a concert or to direct sound to… Read more »

Speech Privacy Within Hospitals Meeting the New HIPAA Standards

Confidentiality between a patient and the health provider is one of the basic principles of modern health care. Without confidentiality, the effectiveness of the health care system decreases, due to patient fear of having their medical records revealed and possibly used against them. In 1996, Congress passed the Health Insurance Portability and Accountability Act (HIPAA)… Read more »

New Advances in Video Conferencing Technology H.264

A new video conferencing standard, H.264, delivers twice the video quality currently experienced in video conferencing meetings. H.264 provides a far more efficient mechanism for compressing and decompressing motion video. This mechanism or algorithm requires significantly less bandwidth to transmit a motion image than has previously been possible. For videoconferencing, H.264 requires only 50% of… Read more »

Digital Preservation

You know those dusty boxes of photographs you’ve been meaning to put into an album? Or the shelf full of videotapes of the kids growing up? The glass-plate slides your dad took on vacation? Or even the 8mm film reels of you taking your first steps? Well, they’re not going to be around forever! Those… Read more »

High Definition Television Is Here! (Sort of…)

High Definition Television (HDTV) promises bigger and better images and great audio. But what exactly is HDTV and how will it affect our television viewing? Consumers are experiencing a confusing mess of conflicting standards, limited programming, few available channels and outrageously expensive equipment. However, with the ratification of the advanced Television Systems Committee (ATSC) Digital… Read more »

Display Technology – Part 2

In a previous blog post we covered the differences between projectors and monitors and looked at the advantages and disadvantages of current technology including analog verses digital technology. In this issue we will look at the features of brightness, resolution, and size. The brightness of the display is measures in ANSI lumens. It is very… Read more »

Display Technology – Part 1

Purchasing the right video/computer projector can be a challenge. First you see an ad in a magazine touting the benefits of a $6000 projector. Then you see a portable computer projector at the office supply store sitting next to a slide projector. Then you hear a colleague talking about digital versus analog and Plasma versus… Read more »

It’s Time to Take Control

All audiovisual systems have something in common, no matter how simple or complex they may be: a control system. A/V control systems can range from a simple wall switch to a complicated Visual Basic program embedded inside a Power Point presentation. The extent of the control system often depends on the audio and video system… Read more »