Labels:hakham | poster | web site OCR: Air Leakage Sound Problems We have mentioned that sound attenuation is another benefit derived from effective air leakage control. Sound particularly mid-range frequencies (speech, stereo noise) are carried by air migration through the holes (plumbing electrical, mechanical, doorways fenestration) in the building envelope Even if the holes are not direct conduit between the source and the envelope punos is known to circumvent the direct route and come in another less direct path. This referred to Flanking NEXT 58 freguencies sterec betweer knowr referrec
