Daga mahangar kariyar muhalli, duk “sautin da ba a so” da ke shafar nazarin al'ada na mutane, aikinsu, da hutawa a wasu yanayi ana kiran su gaba ɗaya da hayaniya.Kamar kone-konen injina, busar motoci iri-iri, hayaniyar mutane da sautuka daban-daban na kwatsam da dai sauransu, duk ana kiransu da surutu.Tare da haɓaka samar da masana'antu, sufuri, da gine-ginen birane, da karuwar yawan jama'a, karuwar kayan aiki na gida (talbijin, da dai sauransu), hayaniyar muhalli ya zama mai tsanani, kuma ya zama babban haɗari ga jama'a wanda ya sa ya zama babban haɗari ga jama'a. yana gurɓata yanayin zamantakewar ɗan adam.Bincike ya nuna cewa hayaniyar da ta zarce decibel 85 za ta sa mutane su ji bacin rai, mutane za su ji surutu, don haka ba za su iya maida hankali kan aiki ba, wanda ke haifar da raguwar ingancin aiki.

Don haka, mutane suna buƙatar samfur mai ɗaukar sauti mai girma don rage ɓangaren hayaniya da jin daɗi.High sauti-sha kayayyakin ne ma'adinai fiber rufi jirgin, fiber gilashin rufi jirgin, dutsen ulu rufi jirgin, da dai sauransu Sauti-sha kayan da aka yafi zuwa kashi microporous irin da fiber irin.Babu wani muhimmin bambanci tsakanin su.Ka'idar shayar da sauti ita ce barin tashar da za a iya samun sauti, tashar da ta ƙunshi ƙananan ramuka marasa ƙima waɗanda aka haɗa tare, ko ketare zaruruwa marasa adadi.An haɗa su wuri ɗaya don samar da ƙananan giɓi marasa adadi, amma da zarar sautin ya shiga, ba zai iya fitowa ba.Domin hanyar tana da daurewa da tsayi, sautin ya buge ya fasa hagu da dama.A cikin tsari, a hankali yana cinye makamashi kuma yana da tasirin ɗaukar sauti.Sautunan mitoci daban-daban suna shiga cikin yanayi daban-daban.Sautuna masu tsayi suna da gajerun tsayin raƙuman ruwa kuma ana iya ɗaukar su cikin sauƙi, yayin da ƙananan ƙaramar sauti suna da tsayi mai tsayi kuma suna iya shiga cikin sauƙi cikin cikas.Don ƙananan sautunan ƙararrawa, ba kawai yana da wahala a rufe sauti ba, har ma yana da wahala a sha.Ba kamar sauti mai ƙarfi ba ne wanda zai shiga ciki kuma ya fita daga cikin ƙananan tashoshi masu ɗimbin yawa, amma zai iya zagayawa cikin sauƙi.Amma idan dai kun kauri kayan da ke ɗaukar sauti zuwa wani matakin, zaku iya ɗaukar ƙananan mitoci sama da 130Hz.