Thekuyamwa kwamawucoefficient NRC ili pamwamba pa 0.5, yomwe imatha kupititsa patsogolo ntchito ya nyumbayi, kupititsa patsogolo malo omveka bwino a nyumbayi, ndikuwongolera moyo wa anthu.Ndizoyenera ntchito zamaluso monga nyumba zamaofesi, mahotela, zipatala, mabanki, makhothi, masukulu ndi mabungwe ena, makonde aboma, ma suites akulu, holo zamabizinesi, mawodi, zipinda zogwirira ntchito, zipinda zamilandu ndi ntchito zina zaukadaulo, komanso zipinda zolandirira alendo, maofesi, zipinda zochitira misonkhano ndi malo ena okongola kwambiri.

Noise Reduction Coefficient NRC ndi chilolezo chowunikira chomwe chimayesa kuyamwa kwa mawu kwa chinthu china pamalo otsekedwa.Kukwera kwa NRC, phokoso lochepa likuwonekeranso kumlengalenga.M'malo mwake, phokosolo limawonekera nthawi zonse m'mlengalenga kuti lipange phokoso, zomwe zimapangitsa kuti phokoso likhale lotopetsa.Chifukwa cha malingaliro a khutu la munthu, pokhapokha pamene NRC ikufika ku 0.5 kapena kuposerapo, khutu laumunthu limatha kumva kuchepa kwakukulu kwa phokoso.Mayeso awonetsa kuti matupi osakanikirana omwe amamva mawu, monga mapanelo otengera mawu, komanso zitsulo zokhala ndi zigawo zakumbuyo zokomera mawu zimakhala ndi magwiridwe antchito omveka bwino.Mapanelo omvera mawu monga gypsum board osatulutsa, calcium silicate board ndi chitsulo board alibe pafupifupi chilichonse chotulutsa mawu.Mapanelo otengera ma porous ngati ma gypsum board sachita bwino pamawu otsika kwambiri.

NRC yochepetsera phokoso ndiyofunika kwambiri pa malo aliwonse otsekedwa.Nthawi yobwereranso komanso kuchuluka kwa phokoso ziyenera kuganiziridwa m'malo otsatirawa:

1. Ofesi yotsekedwa, chipinda chochitira misonkhano
2. Maofesi otseguka / otsekedwa osakanikirana
3. Lobby, malo ogwira ntchito
4. Malo ophunzirira / ophunzirira, malo ochitira masewera olimbitsa thupi, malo odyera
5. Malo azachipatala, monga: holo yolandirira alendo, chipinda chochezera, ofesi ya dokotala, ndi zina zotero.
6. Malo ogulitsa, malo ena othandizira makasitomala, etc.