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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Acoustic Foam Question posted by Jim McAtee on August 23, 2002 at 10:08:41:
The shape is partly to simply increase total surface area while presenting an acceptable appearance for decor. But some (like Sonex) is based on the anechoic wedge idea.Acoustic foam absorbs sound energy by converting it into heat (through flexure of the thin foam walls). In general, when energy strikes a surface part of it is absorbed and the rest is reflected. The anechoic wedge shape helps direct the reflected portion back into an adjacent wedge so that has another opportunity to be absorbed. The varying thickness along the wedges may also help even out absorption at various frequencies.
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Follow Ups
- Re: Acoustic Foam Question - Charlie S in Maryland 15:57:01 08/23/02 (2)
- Rest of the answer - Jon Risch 21:23:12 08/25/02 (1)
- Re: Rest of the answer - Jim McAtee 00:36:18 08/27/02 (0)
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