Theshayar da sauticoefficient NRC yana sama da 0.5, wanda zai iya haɓaka aikin ginin, inganta yanayin sauti na ginin, da inganta rayuwar mutane.Ya dace da ayyukan ƙwararru kamar gine-ginen ofis, otal-otal, asibitoci, bankuna, kotuna, makarantu da sauran cibiyoyi, hanyoyin jama'a, manyan suites, dakunan kasuwanci, unguwanni, dakunan aiki, ɗakin shari'a da sauran ayyukan ƙwararru, gami da dakunan liyafar. ofisoshi, dakunan taro da sauran wurare na ado.

Ƙididdigar rage surutu NRC cikakkiyar ƙimar ƙima ce wacce ke auna ƙarfin ɗaukar sauti na wani abu a cikin rufaffiyar sarari.Mafi girman NRC, ƙarancin sautin yana nuna baya zuwa sararin samaniya.Akasin haka, sautin yana fitowa koyaushe a cikin sararin samaniya don haifar da reverberation, yana haifar da hayaniyar bango mai gaji.Saboda fahimtar kunnen ɗan adam, kawai lokacin da NRC ya kai 0.5 ko fiye, kunnen ɗan adam zai iya jin raguwa mai yawa a cikin amo.Gwaje-gwaje sun nuna cewa gaurayawan jikin masu shayar da sauti, irin su fanfuna na ulun ma'adinai masu ɗaukar sauti, da fa'idodin ƙarfe masu ɗaukar sauti na baya suna da matsakaicin matsakaicin aikin ɗaukar sauti.Fuskokin masu shayar da sauti irin su gypsum board, allon silicate na calcium da allon ƙarfe kusan ba su da wani tasiri mai ɗaukar sauti.Filaye masu shayar da sauti irin su allunan gypsum masu ratsa jiki ba sa yin aiki da kyau don ƙaramar sauti.

Ƙididdigar rage amo na NRC yana da mahimmanci ga kowane sarari da ke kewaye.Ana buƙatar la'akari da lokacin sake maimaitawa da adadin amo a cikin mahalli masu zuwa:

1. Rufe ofis, dakin taro
2. Buɗe / rufe gauraye muhallin ofis
3. Lobby, wurin aiki
4. Yanayin aji/koyo, dakin motsa jiki, gidan abinci
5. Muhallin lafiya, kamar: zauren liyafar, dakin tuntuba, ofishin likita, da sauransu.
6. Retail yanayi, sauran abokin ciniki sabis yanayi, da dai sauransu.