The challenge with contemporary church architecture is that the term “contemporary” means a lot of different things to a lot of different people. For some, it means a praise band and a projector. For others, it means the service is full of drama, dance, video, interactive preaching, and more. With all the different styles, a lot of contemporary churches feel stuck in the middle with facilities that are in between “where it is” and “where it ought to be.”

Going in the right direction

A staple of contemporary church sanctuaries has been the fan-shaped room where the seating is positioned in a semi-circle around the stage. Architecturally, this moves more people closer to the platform for a more “intimate” feel. Acoustically, this can be a step in the right direction – especially compared to the traditional box-shaped rectangle found in many churches. When working with acoustics, getting away from large parallel walls is generally a good place to start. However, the large rear wall must be properly designed or it can act as a focusing beam for the sound. Room shape, ceiling height, and surface materials all play a dramatic role in determining the overall acoustics.

When we speak of room acoustics for contemporary sanctuaries, we’re generally talking about striking some balance between diffusion and absorption. Put in plain terms, diffusion measures how the acoustical energy “bounces” off the room’s surfaces, and absorption tells us how much is “soaked up” when it hits an object. Too little diffusion can leave a room sounding “hot” and “cold” (think “live spots” and “dead spots”.) On the flip side, too much absorption can make a room sound acoustically dead and lifeless.

To strike a good balance, the designers have to consider the functional needs of the space as important as the physics of the room. If you do it right, you can create a great sounding worship space.

ABD Engineering and Design

ABD Engineering and Design

ABD Engineering and Design is one of North America’s leading independent acoustical consulting and AV design firms, serving clients across the United States and Canada, as well as other international markets from offices in Grand Rapids, MI and Portland, OR. Our specialized acoustical engineering and AV design practices help architects, building owners, engineers, facility directors, and municipalities design spaces, environments, and systems for optimal acoustical and audiovisual performance. Our consulting practice areas specialize in all aspects of architectural acoustics, environmental and industrial noise and vibration control, and audiovisual systems design.

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