Jenereta ya dizilo yosalankhula ya 5kva 6kva 7kva yonyamulika

Chipangizo choletsa phokoso chimagwiritsidwa ntchito kwambiri m'malo akunja kapena m'nyumba chomwe chimafuna chitetezo ndi kuchepetsa phokoso ndi zofunikira zapadera zotetezera chilengedwe. Chimapangidwa makamaka ndi chipangizo chokhazikika, chotchingira mawu, cholowera mpweya ndi chipangizo chochepetsera phokoso ndi chipangizo chochepetsera phokoso. Makhalidwe ake akuluakulu ndi akuti chotchingira mawu chimakhala ndi chotchingira mawu ndi gawo loyamwa mawu, cholowera mpweya ndi njira zotulutsira mpweya zimakhala ndi chithandizo chochepetsera phokoso, ndipo chotulutsira mpweya chimagwiritsa ntchito zoletsa zomangira m'mafakitale ndi m'nyumba kuti chichepetse phokoso m'mabatani apamwamba komanso otsika. Phokoso la chipangizo chokhazikika choletsa phokoso nthawi zambiri limakhala 78-85db (a), ndipo cha chipangizo choletsa phokoso nthawi zambiri chimakhala 70-78db (a). Chipangizo choletsa phokoso kwambiri chimapezeka mwa kugwiritsa ntchito njira zowongolera zokhwima kwambiri zotulutsira phokoso kutengera chipangizo chokhazikika choletsa phokoso, monga cholowera mpweya chopanda phokoso komanso kapangidwe ka njira zotulutsira mpweya.
Zipangizo zotetezera mawu kwambiri nthawi zambiri zimakhala zazikulu, ndipo mtengo wopangira ndi wokwera kwambiri kuposa wa zipangizo zotetezera mawu wamba. Zipangizo zotetezera mawu ndi zipangizo zotetezera mawu kwambiri nthawi zambiri zimagwiritsidwa ntchito, kusamalidwa ndi kukonzedwanso kunja kwa malo osungira mawu.