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dc.contributor.author楊宗翰en_US
dc.contributor.authorYang, Zong-Hanen_US
dc.contributor.author胡竹生en_US
dc.contributor.authorHu, Jwu-Shengen_US
dc.date.accessioned2014-12-12T01:55:47Z-
dc.date.available2014-12-12T01:55:47Z-
dc.date.issued2012en_US
dc.identifier.urihttp://140.113.39.130/cdrfb3/record/nctu/#GT079912580en_US
dc.identifier.urihttp://hdl.handle.net/11536/49273-
dc.description.abstract本論文提出一套依照使用者需求調整訊號衰減率(Signal Decay Rate)來抑制聲音迴響的方法。本方法利用麥克風陣列接收到的訊號中有空間資訊的特性,首先將此空間資訊經由波束形成的方法,先濾除非目標訊號方向的迴響,接著依照訊號衰減的特性來估測訊號的衰減率,並對聲音的迴響能量做估算。結合能量衰減估測與麥克風陣列得到的空間資訊,本論文提出一套調整增益函式的後置濾波器。本方法不需要知道在實際應用中難以觀察的聲音脈衝響應(Acoustic Impulse Response)的資訊,實驗結果將證明本方法的效果。zh_TW
dc.language.isozh_TWen_US
dc.subject波束形成zh_TW
dc.subject後濾波器zh_TW
dc.subject消除迴響zh_TW
dc.subject衰減率zh_TW
dc.subjectbeamformingen_US
dc.subjectpost-filteren_US
dc.subjectdereverberationen_US
dc.subjectdecay rateen_US
dc.title使用適應波束形成與增益衰減後濾波器支殘響消除方法zh_TW
dc.titleDereverberation of Sound Signal Using Adaptive Beamforming and Gain Suppression Post-filteringen_US
dc.typeThesisen_US
dc.contributor.department電控工程研究所zh_TW
Appears in Collections:Thesis


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