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Controlling Bass Response in Control Rooms

Part 4


The addition of the first 2.1m barrier had exactly the required effect, and the action of the smaller ones helped further. The overall result was quite real and very beneficial to the acoustics of the room. The concept should be applicable to any control room that is rectangular or long compared to the width. The one disadvantage is that there is not enough space to build barriers in control rooms with a narrow gap between desk and rear wall. The advantages of the barriers, if there is enough space and they work as I have imagined they do, are quite numerous. The size of the walls are in proportion to the room; the ends of walls are towards the corners of the room where pressure variations are at a maximum and where membrane absorbers are usually fitted thus aiding damping; it is possible to use surfaces on the back of the barrier walls for leads, shelves and so on as long as air movement is not blocked; they are cheap and they work in direct proportion to sound level as there is no need to overcome the inertia of swinging mats or membranes. The main advantage, however, is that it is possible to erect a cheap experimental wall without causing any disruption to the existing structure. The use of just one 'wave wall' should show if the idea is working.

We would be interested to hear from anyone who cares to try the idea out, especially if the results are successful.

Room JPG

Construction JPG
Wall Construction

© Brian Gaylor

<<< Part 1  << Part 2  < Part 3


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