What Type Sound Absorber Should You Look For?

By Author: Kevin Richard
Total Articles: 245
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When it comes to choosing the sound absorber perfect for your soundproofing requirements, an important consideration is whether to use flat faced or profiled foam. As we will discuss here, there are advantages and disadvantages of both.
What frequency amount?
One of the main differences between plain faced and profiled Sound absorber is how they treat different frequencies. Low frequency waves are longer and stronger, and therefore require thicker and more robust foam. The plain faced foam don’t have the actual foam eliminated, and hence their absorbing features are much better than the profiled counterparts. Accordingly, plain faced and flat foam is more suitable than soaking up low frequencies.
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On the other ...
... hand, sound waves make shadow angles and mid to high frequency waves tend to rake acoustic sound panels, entailing that the sound is not absorbed but just reflected. The ideal placement of these products can mitigate this impact, although profiled foam will help to catch and trap those irritating shadow angle and high frequency waves.
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What is the room type?
We have just discussed about the frequency of the acoustic waves that you want to hear. The area that you want to soundproof will also impact what type of sound absorbers is best suitable according to your needs.
As mentioned before, the ideal placement of the sound wall can help to mitigate shallow angle waves that rake the foam and being reflected across the room. If the natural acoustics is great, you might want to look for profiled acoustic foam, using it to tighten the treatment of mid to high frequencies and fine tune the acoustic response of the room, although you will also need a solution to deal with those strong and long bass notes.
Usually, an acoustic solution should manage these problematic areas. Fundamentally, it is a simple solution. Only two things can prevent noise, and they are space and mass. Mass is required to combat the airborne sound but as solid objects also carry sound, to turn it into structure borne sound, you also have to introduce aluminium wall panels with air apace.      
However, these tender substances are often more effective in absorbing sound lest of sound lessening panels. Tender and low density substances such as foam, are amazing in absorbing sound and can be used to neutralize high frequency sounds. Sounds of different frequencies can be managed more effectively either by deflection or absorption and these features should be considered while designing sound isolation products.