One of the vital things allowing students to actually learn in a classroom setting is positive sound quality inside the classroom. There has recently been a growing pool of research indicating that noise exposure could affect educational outcomes with children in negative and positive ways. This goes goes quite a ways for busting acoustical myths in dealing with sound in a classroom or learning versus behavior.
One of the things these studies have shown is that children are easily distracted by noise levels as low as ambient sound. These effects are even more pronounced the younger children are down to age four. Oddly most adults do not have this disability as they are better able to discern speech regardless of most background noises.
This is an even greater disadvantage with children in their beginning years of schooling. This is mostly because the vast majority of classroom exercises involving them listening and speaking with each other and their teachers. This is typically their primary mode for learning in classroom settings.
Background noise can interfere or alter speech perception effectively impairing the learning process. By paying close attention to the properties of noise within a classroom a much more effective learning environment can be created. There are a few things deserve that closer attention when looking at noise characteristics.
The understanding of spoken words also has much to do with pitch, volume and timber of the words themselves. The background noise which distorts the sounds a speaker produces may easily cause the words to start bleeding into each other. This type of distortion is often called – bleed through effect – and accounts for about 85 percent of sound difficulties within the classroom environment.
Foam works good with absorbing both high frequency and mid range sound waves. Most reliability and practicability depends a good deal on what the placement and thickness of the foam is. The thicker the foam is typically the greater absorbing ability it should have. Acoustic foam size can range from one inch to five inches. After five inches added further sound absorption for most cases is negligible.
Sound absorption also decreases as the frequency of the sound becomes lower. However, the thicker foam still has a much greater ability to absorb lower frequencies than its much thinner counterpart. Busting acoustical myths inside the classroom environment is not that difficult when you consider all these facts. By making some simple cost effective additions we can make better classrooms. Now, let’s go make some better schools for our children.
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Author: Johnathan LouisThis author has published 9 articles so far.