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Audio and Video Talk
Acoustics & Room Treatment
Sound proofing has made the noise worse
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<blockquote data-quote="d0dja" data-source="post: 777773" data-attributes="member: 2244"><p>The main thing to look at is what the sound can use as a medium. Sound travels. Dry well through certain solids. It may be that the wooden bracing for your firewall has created a physical coupling between your neighbour's ceiling and your ceiling. </p><p></p><p>There are two ways to stop sound energy moving... damping (ie turn sound energy into heat in a material like isotherm), or creating a large discontinuity between materials (ie the sound bounces back from the discontinuity, can't cross it).</p><p></p><p>If your structure gives sound a pathway to get around the damping or discontinuity, it will take it. </p></blockquote><p></p>
[QUOTE="d0dja, post: 777773, member: 2244"] The main thing to look at is what the sound can use as a medium. Sound travels. Dry well through certain solids. It may be that the wooden bracing for your firewall has created a physical coupling between your neighbour's ceiling and your ceiling. There are two ways to stop sound energy moving... damping (ie turn sound energy into heat in a material like isotherm), or creating a large discontinuity between materials (ie the sound bounces back from the discontinuity, can't cross it). If your structure gives sound a pathway to get around the damping or discontinuity, it will take it. [/QUOTE]
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Audio and Video Talk
Acoustics & Room Treatment
Sound proofing has made the noise worse
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