Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 楊宗翰 | en_US |
dc.contributor.author | Yang, Zong-Han | en_US |
dc.contributor.author | 胡竹生 | en_US |
dc.contributor.author | Hu, Jwu-Sheng | en_US |
dc.date.accessioned | 2014-12-12T01:55:47Z | - |
dc.date.available | 2014-12-12T01:55:47Z | - |
dc.date.issued | 2012 | en_US |
dc.identifier.uri | http://140.113.39.130/cdrfb3/record/nctu/#GT079912580 | en_US |
dc.identifier.uri | http://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.iso | zh_TW | en_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.subject | beamforming | en_US |
dc.subject | post-filter | en_US |
dc.subject | dereverberation | en_US |
dc.subject | decay rate | en_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.title | Dereverberation of Sound Signal Using Adaptive Beamforming and Gain Suppression Post-filtering | en_US |
dc.type | Thesis | en_US |
dc.contributor.department | 電控工程研究所 | zh_TW |
Appears in Collections: | Thesis |
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