Corporate Videoconference Guidelines & Recommendations – Part 2
Good communication can be difficult, especially over long distances. This is why we still get on airplanes and travel to meet face to face. Videoconferencing saves the travel costs, and it still gives us the face to face connection. But here’s the key: the videoconference environment itself is critical to ensuring communication success. Human ability (your eyes and ears) are much more forgiving than technology (cameras and microphones). For example, bad room lighting can automatically be mitigated by a change to your eye’s iris, but video cameras will capture an unusable or poor image. Another example is room noise which can be filtered out by the brain but will be picked up by the microphone and ultimately decrease intelligibility. So here is a list of common “weakest links” for corporate videoconferencing: (more)
Corporate Videoconference Guidelines & Recommendations – Part 1
Teleconferencing requires hearing the voice, so it should follow that videoconferencing requires seeing the people, right? Not so much. Videoconferencing actually requires a finer level of detail – it requires seeing the eyes. Why? We communicate with our eyes. If you cannot clearly see the eyes of the communicator, then you might as well be on a teleconference. This is why web quality video has become unacceptable for many types of corporate communication. Even more difficult are large spaces such as boardrooms or corporate auditoriums. The size of these spaces alone presents a real challenge to the video conferencing system, making it ever more difficult to see the eyes. “So what?” you say. Well, the eventual reality is that without seeing the eyes, users will eventually avoid the technology altogether. (more)
Video Wall Design Considerations for Corporate Webcast Auditoriums
Out of curiosity, we asked one of our current clients what made them pick Acoustics By Design to be their audio-video consultant for their corporate webcast auditorium project. We beat out several national AVL consulting firms to get the project, so what made the difference? Well, there were a list of reasons why ABD was the best fit. One reason was that we took time to understand the client’s vision, and that we proposed the concept of a video wall rather than the traditional approach of using several projectors to accomplish their complex webcasts. Cool. So why did we pitch the idea in the first place? (more)
Digital Signage System Design 101
Digital signage is making its way into stores and businesses everywhere: hotels, department stores, grocery stores, universities, churches, funeral homes, you name it. As audio-visual designers, we are hired to offer digital signage design services for a wide variety of industries. One of the first questions we always ask our clients is who is this for? Who are you trying to communicate with? Without a target you will never know if your investment succeeded. (more)
Is Technology the Bottom Line for Web Conferencing and Videoconferencing?
Sure, we all agree that the principle of “garbage in garbage out” applies to audio-visual technology. But is “top of the line equipment” the real bottom line for state of the art web conferencing or videoconferencing? Answer: It’s one of the bottom lines, but not the only bottom line. There are a lot of other factors that go into optimizing a space for web or videoconferencing. (more)
The 2 Missing Elements of Open Plan Offices: Privacy and Productivity
I used to work at a very large engineering firm that had the “cube farm” open plan office setup (which I referenced in a previous blog). The cubicles were arranged in work groups, and the groups were arranged by clients and market segments. From my desk, the groups to my right and left engineered for a specific client, and the groups in front of and behind me engineered similar products. This open plan office layout scheme made it very easy for the engineers to identify strengths, as well as figure out boundaries, based on the privacy needs each client requested. The ambient noise on the floor was quite low and confidential privacy was difficult to achieve. There was a general din from all the activity, but each of the adjoining groups could pretty clearly hear the other and our work at hand was the only thing that really helped to avoid distraction. (more)
Why Your Conference Room Technology May Soon Be Obsolete: Part II
As the VGA connector continues its rapid transition towards obsolescence (referred to in Part I of this post) many people simply assume that using adapters (such as HDMI to VGA) will solve the digital-to-analog connectivity problem. While this may work in the short term, it ignores the looming problem of DRM (Digital Rights Management), a way of encrypting new media to protect against copyright infringement. DRM uses something called HDCP (High Bandwidth Digital Content Protection) to control which devices are allowed to receive the video signal. So how will you know if you’re using digitally protected content? Well, for starters, your adapter will just stop working. (more)
Psychoacoustics: Transient Noise Grabs Attention
Have you ever noticed how some sounds catch your attention and others do not? For example, you are driving down the road thinking of your plans for the day and all of a sudden you hear a squeak in the dashboard. It draws your attention immediately, while the air conditioning fan likely does not. The squeak is intermittent (and likely tonal, but that’s a topic for another blog) and therefore stands out over the more constant sound of the fan. This reaction is similar to vision, where our attention is drawn by moving objects much more so than stationary ones. (more)
The Top Three Acoustical Solutions for Conference Rooms
Conference room acoustics are often overlooked in the design process, but they can quickly become a problem (and a high priority) once the room is put into use. Architects are great at designing aesthetically pleasing boardrooms and conference rooms, and when their clients see the renderings, acoustics is normally the furthest thing from their mind. Thus, the acoustical design of the boardroom goes unaddressed. But when the client moves in and has trouble holding meetings, acoustics comes to the forefront. (more)
Why Techies Buy Audio-Video Gear Online
My church recently decided to upgrade from our old analog mixing board to a brand new digital mixing console. The interesting part of this process was that they did not buy it through a local AV contractor. They purchased the sound board online through a company that specializes in phone and internet box sales. This got me thinking about the trend over the past few years in which more and more Audio Visual end-users purchase equipment from online sources instead of the local dealer or shop. Is this a good thing or a bad thing? And why is this becoming the norm? (more)
Why Your Conference Room Technology May Soon Be Obsolete
You can’t get away from the digital age. It seems like digital technology is everywhere. As Audio-Video designers, the march towards all things digital is having an impact on display technologies as well. Meanwhile, flying under the radar, there is a subtle shift happening in how the average person shows information from a computer onto a projector or display. (more)
If It Sounds Like Noise to You, It May Be “Esion”
Fundamentally, sound is “that which we hear”. What we hear at any given time can greatly influence us. We use sound to communicate, to express warning, fear, pleasure and excitement. Some sounds can relax us and help us fall asleep, while other sounds can distract us and make it more difficult to perform simple tasks. Different sounds can be soothing and pleasing or annoying and irritating. Accordingly, determining “What is sound?” and “What is noise?” can become a highly subjective task. As engineers and scientists, it’s our job to generate generalized models that have a high level of correlation to humans (or to specific populations). (more)
When One Size Does Not Fit All | Diffuser Sound Levels
On a recent trip to India, I discovered a cute clothing sizing term called “free size” which is equivalent to “one size fits all”. Free size clothing must be a manufacturer’s delight since production and distribution are greatly simplified. Adjustments to the size of the garment are typically made through waist ties of various designs and if needed, permanent alterations.
In the A/E/C industry, diffuser, grille and register (air device) manufacturers have chosen the free size philosophy when it comes to providing sound data. (more)
White Space Update for Wireless Microphones
Several months ago (10-13-08) I wrote about the current state of the wireless microphone frequency spectrum and how the actions of congress and the FCC are shaping the future of wireless technology. Well, several notable updates and changes have been made since that time. You may recall that February 17, 2009, was the date set for the transition to DTV (Digital TV). Congress (in all its wisdom) decided that it would extend the deadline to June 12, 2009. (more)
Elbows vs. Sound Attenuators: Interchangeable?
It is common belief that a series of elbows near an air handling unit (AHU) can accomplish the same insertion loss as a manufactured duct sound attenuator. It’s true that elbows are less expensive than sound attenuators, but what acoustical performance is really achieved with this “low cost” substitution?
Let’s compare the two designs. Using the tables presented in the 2007 ASHRAE Handbook – HVAC Applications, for any type of elbow (round, rectangular, acoustically lined or not), the width of an elbow (in the plane that it turns) must equal or exceed 30 inches to get ANY insertion loss at 63 Hz. A 30 inch wide elbow provides only 1 dB of insertion loss (IL) at 125 Hz . These two frequencies are typically of concern when reducing sound from AHUs.
2009 AIA Grand Valley Honor Award Winners
This past Saturday night we attended the 2009 AIA Grand Valley Honor Awards program at the Urban Institute of Contemporary Arts (UICA) in downtown Grand Rapids. As a Professional Affiliate Member of the AIA, our firm serves as consultants to architects. Although we are not eligible to receive an award, we look forward to the chance to support our friends and celebrate their accomplishments in architecture over the last year. In addition, Acoustics By Design was pleased to be the acoustical and audio/video design consultants for six of the nominated projects! The real surprise of the night was that the independent judges panel, made up of three distinguished architects from Iowa, declined to give out awards in several categories. (more)
As long as you haven’t been living in a cave this past year, you’ve probably noticed that America’s new favorite color is green. Even the “big, scary corporations,” like Walmart and McDonalds, have re-worked their ad campaigns to reflect a more-green, environmentally friendly corporate image. Seemingly everyone is going green. The term “greenwashing” has come to describe businesses that project a green corporate image (through ad campaigns, marketing, and so on) but take little action to reduce their own carbon footprint or energy consumption. They are “green” in name only. At the same time, some organizations are embracing a new paradigm of green business practices and sustainability. So, who’s really “green” and who’s just “greenwashing?” (more)
4 Basic Concepts for Corporate Board Room Video Conferencing Systems
It’s January, and that means new budgets for companies that operate on the calendar year. If this year is anything like the last, it means we will be receiving calls from companies inquiring about corporate board room video conferencing systems. As AV Consultants, one of the most common questions we get asked is, “What do other companies have for AV equipment in their Boardrooms?” And the follow up question is always, “Should we be looking at a video conferencing solution?” It seems, in the business world, everyone is concerned that if their technology is behind the curve, then they won’t be as competitive. And we are all concerned about how these new technologies affect our bottom line. But believe it or not, video conferencing may be a viable and cost-saving solution for almost any company that seeks to enhance its communications. (more)
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