Allon rufe sauti da allon ɗaukar sauti sune tsawo na layi (wave sauti), kuma allon sautin sautin layin layi ne da ya karye (wave sauti), wanda ake amfani dashi don iyakance sararin motsin sauti kuma dole ne ya kasance m. .Gabaɗaya ana amfani da bangarorin rufe sauti a cikin sanduna, KTVs, kusa ...
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