Have you ever increased the volume of your music or television program in an effort to “drown out” your noisy neighbors? Or have you noticed how difficult it is to hear a conversation while walking along a busy street? In both of these situations, the “masker” (your music/television, traffic) is changing the threshold at which the “signal” (noisy neighbors, conversation) is perceptible. In other words, some sounds are masking – or covering over – the other sounds. (more)
How It Works: Acoustical Points in LEED for Health Care
Good News… after long delays, LEED for Health Care was finally released for public consumption! This blog provides a basic overview of how to meet the new acoustical requirements in LEED HC. In fact, your next LEED for Healthcare project can gain two points just by following good acoustical design practices that protect patient medical records, increase patient satisfaction, and provide for a quieter workplace. (more)
Acoustics By Design Honored As One of the Best and Brightest Companies to Work For in the Country!
For the first time in its history, the National Association for Business Resources has named the Best and Brightest Companies To Work For™ in the country. And guess what? Acoustics By Design made the list, alongside companies like Verizon Wireless, Henry Ford Health System, Amway, and American Academy of Pediatrics. (more)
How Does Acoustical Absorption Work?
Walk outside on a cold winter day just after the first big snowfall and you can hear the hush in the air. Everything sounds different because that hush in the air is the snow absorbing sound. Now, compare that to walking into a gym where the sound bounces around and lingers in the room. Also, have you wondered why some hotel rooms are “soundproof” and some seem to have walls that are paper thin? (more)
Student Job Shadows as an Acoustical Engineer
Many high school students have never heard of the “acoustical engineering” field so when local student Jordan Van Buskirk  (a Senior at Western Michigan Christian High School) asked his teacher about jobs that have to do with acoustics, it was a first for the school. After being contacted by Joyce Workman, Director of Advancement at WMCHS, Acoustics By Design proposed a project centered around a problematic space for the school. By working with an existing space, both Jordan and the school would benefit from the job shadow opportunity; Jordan was even able to get credit for a physics class by completing the project. Jordan worked with Tim Koldenhoven of Acoustics By Design and identified the gymnasium as a space that needed improvements. Not knowing what to expect, Jordan showed up on time and ready to learn. (more)
Acoustical Solutions for Cafetoriums and Gymnatoria
Multi-use school facilities (such as “cafetoriums” – cafeterias that double as auditoriums) are popping up all over Michigan because they save space and save money. But many schools are finding that they are not well-suited to serve multiple purposes. So how can multi-use facilities be optimized for both utility (think cafeteria) and performance (think auditorium)? (more)
ABD to Host 10 Year Anniversary Party
Acoustics By Design, an independent acoustical consulting and audio-visual design firm headquartered in downtown Grand Rapids, will celebrate its 10 year anniversary on October 6, 2011, at the Grand Rapids Art Museum. The invitation only event will host 300 architects and engineers as they celebrate a milestone for one of their own. (more)
Is It Really Sound Proof? Mixed Use Developments
Mixed use developments need to have the proper noise isolation partitions and the proper expectations for tenants. “I can hear their music and their phone ringing; I can even hear them repeat the order!” This comment came from a frustrated condo owner who lived above a sandwich shop in a mixed used condominium development. High density living often crashes with commercial spaces, and usually it is the residential owners that end up frustrated. (more)
I recently attended concerts at two out-of-state prestigious university level music schools, and from a noise control point of view, the auditoria couldn’t have been more different. While the room acoustics of both halls were superb, the background noise level in one was quite distracting. (more)
The other day at a popular chain restaurant, I dropped by the restroom before a long ride home. I’ve heard some loud toilet flushes in my day, and this one was right up there with the loudest of them. While it caught my attention, it didn’t make me jump too high out of surprise. However, when I saw a young girl coming out of the neighboring stall, she had a look of shock on her face. She said, “That SCARED me!” Not something I would think most businesses want to do to their customers. (more)
The National Council of Acoustical Consultants & the American Institute of Architects
The National Council of Acoustical Consultants (NCAC) is the only North American organization fully devoted to certifying the credentials of acoustical consultants. Kenric Van Wyk, President of Acoustics By Design, was elected to the NCAC Board of Directors in 2006. He has served as the Vice President of Finance, and was recently elected as the Vice President of Marketing and Communications. To join the NCAC, acoustical engineering firms have to be completely independent with no ties to any product manufacturers or distributors. This ensures that each firm provides objective recommendations that are free from bias. Since 1962, the NCAC has supported the acoustical profession through:
- recognizing expert Acoustical Consultants and Engineers.
- promoting opportunities for peer interaction.
- providing a reference tool for the public to learn more about the profession and to find a consultant matched to their needs. (more)
Acoustics By Design was recently honored by the Michigan Business & Professional Association as one of “West Michigan’s 101 Best and Brightest Companies to Work For.” 2011 marks the fifth consecutive year that ABD has received the award. (more)
Quality, Service, and Price – How Acoustical Consultants Stack Up
Recently a client called to say they were trying to make a decision between our acoustical engineering firm and another acoustician for a church project they were working on. The client had received proposals from Acoustics By Design and another firm, but wanted to discuss the topic from a “quality, service, and price” perspective. So what did I tell him? (more)
LEED for Healthcare Acoustic Points
The new LEED for Healthcare system allows up to two points for acoustics under the IEQ Credit 2 Acoustic Environment. Its intent is to “provide building occupants with an indoor healing environment free of intrusive or disruptive levels of sound.” Points can be earned by meeting requirements for increased sound isolation between rooms, reduced room noise levels, controlled reverberation time (acoustical finishes), and reduced site exterior noise. (more)
Evidence Based Design for Healthcare Acoustics
In their November 2010 issue, Healthcare Design Magazine published an article entitled, “Too Noisy to Heal,” written by Dr. Erica Ryherd of the Georgia Institute of Technology. Dr. Ryherd lays out a clear case for the importance of acoustical design in healthcare facilities. She uses the term “soundscape” because healthcare acoustical consulting is so much more than just reducing unwanted noise. At Acoustics By Design, we couldn’t agree more. (more)
Optimizing Church Sanctuary Acoustics for Congregational Singing
I recently received a call from a pastor asking how to enhance their congregational singing. The church had recently inherited a new building, and the pastor was concerned that the congregational singing was just not “what it should be”. The band was great, and they rocked the place out. But the congregation was feeling a bit overwhelmed and “lost in the crowd”. (more)
How People Discover Acoustical Engineering
I admit that I like working in a niche field. I especially like the reactions of people who ask me what I do for a living and have never heard of an acoustics engineer. They find it amazing that someone does this type of work, or they start asking questions or making comments about some experience they have had with (usually poor) acoustics. Recently, on my way to an acoustics conference, I crossed the border at Detroit’s Ambassador Bridge, which is the busiest US-Canadian crossing… (more)
Noise Isolation for Church Cry-Rooms
Most parents will tell you that they just wish they could understand why their baby is crying. As cute as babies are, the reality is they can be immensely distracting during church worship services. So what can you do about it? (more)
Electronic vs. HVAC Sound Masking
Occasionally clients ask about using HVAC system noise as a sound masking system. While dual use of the HVAC system would save money and be more sustainable, most ventilation systems cannot be relied upon to produce a constant level of background noise with a desirable spectrum of sound. With the widespread use of variable air volume systems, the inconsistent air flow volume produces varying levels of background sound. At best, it would provide a hit-or-miss situation: sometimes it would be an effective masking system, assuming the spectrum doesn’t annoy the occupants, but most of the time it would not. Furthermore, the sound spectrum cannot be changed; you get what it is, which may not be what the occupants need. (more)
American Disabilities Act to Accommodate Hearing-Impaired Students
The phrase “Equal Access” might not be very exciting, but it represents what many perceive to be a fundamental right of modern society. Every building built in the last 20 years has personified “Equal Access” by including doors wide enough for a wheelchair, elevator signage with braille lettering for blind persons, and auditoriums with hearing assist systems for those hard of hearing. While children in wheelchairs have “Equal Access to Learning” in school classrooms today, those with hearing difficulties are denied the same opportunity. In many classrooms, the students cannot hear the teacher due to the loud mechanical system or the nearby airport. And, if they can’t hear, they can’t learn. But that’s all about to change. (more)
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