Kuchokera pamalingaliro oteteza chilengedwe, "maphokoso osafunikira" onse omwe amakhudza kuphunzira, ntchito, ndi kupumula kwa anthu nthawi zina zimatchedwa phokoso.Monga kuwotcha kwa makina, kuyimba mluzu kwa magalimoto osiyanasiyana, phokoso la anthu ndi maphokoso osiyanasiyana adzidzidzi, ndi zina zotero, zonsezi zimatchedwa phokoso.Ndi chitukuko cha kupanga mafakitale, mayendedwe, ndi kumanga m'matauni, komanso kuchuluka kwa anthu, kuchuluka kwa nyumba (wailesi yakanema, etc.), phokoso lachilengedwe lakula kwambiri, ndipo lakhala chiwopsezo chachikulu cha anthu kuti imawononga chikhalidwe cha anthu.Kafukufuku wapeza kuti phokoso lopitirira ma decibel 85 lidzakhumudwitsa anthu, anthu azimva phokoso, choncho sangathe kuika maganizo awo pa ntchito, zomwe zimapangitsa kuti ntchito ikhale yochepa.

Choncho, anthu amafunikira mankhwala otsekemera kwambiri kuti achepetse phokoso ndikukhala omasuka.Zinthu zotulutsa mawu kwambiri ndi mineral fiber ceiling board, fiber glass ceiling board, rock wool ceiling board, etc. Zida zotulutsa mawu zimagawika kwambiri kukhala mtundu wa microporous ndi mtundu wa fiber.Palibe kusiyana kofunikira pakati pawo.Mfundo ya mayamwidwe a mawu ndiyo kusiya njira yofikirako kuti imveke, ngalande yopangidwa ndi timabowo tating'ono ting'onoting'ono tambirimbiri tolumikizidwa palimodzi, kapena ulusi wosawerengeka wowoloka.Amasakanizidwa pamodzi kuti apange mipata ing’onoing’ono yosawerengeka, koma phokoso likalowa, silingatuluke.Chifukwa chakuti njirayo ndi yosokoneza kwambiri komanso yayitali, phokosolo limaboola ndikuphwanya kumanzere ndi kumanja.Pochita izi, pang'onopang'ono imadya mphamvu ndipo imakhala ndi zotsatira za kuyamwa kwa mawu.Phokoso la ma frequency osiyanasiyana limatengedwa munthawi zosiyanasiyana.Phokoso lapamwamba kwambiri lili ndi mafunde afupikitsa ndipo limatha kutengeka mosavuta, pomwe mamvekedwe otsika amakhala ndi kutalika kwa mafunde ndipo amatha kulowa mosavuta zopinga.Kwa maphokoso otsika kwambiri, sizongovuta kutsekereza mawu, komanso zovuta kuyamwa.Sizili ngati phokoso lokwera kwambiri lomwe limagunda ndikutuluka mumayendedwe ang'onoang'ono odzaza, koma limazungulira mosavuta.Koma bola mukulitsa zinthu zotulutsa mawu mpaka pamlingo wina, mutha kuyamwa ma frequency otsika pamwamba pa 130Hz.