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dc.contributor.author楊佳興en_US
dc.contributor.author胡竹生en_US
dc.date.accessioned2014-12-12T02:27:19Z-
dc.date.available2014-12-12T02:27:19Z-
dc.date.issued2004en_US
dc.identifier.urihttp://140.113.39.130/cdrfb3/record/nctu/#GT009212532en_US
dc.identifier.urihttp://hdl.handle.net/11536/68279-
dc.description.abstract本論文針對桌面及車內吵雜環境提出一即時抑制噪音源與真人語音活動偵測系統。並提出一個符合實驗室規模、使用USB1.1介面、8通道之即時性麥克風陣列訊號處理實驗平臺,且已實作完成。為了讓系統能適應於噪音源的變化與環境的特徵,論文中設計出一適應性空間濾波器並實做完成。適應性訊號處理的啟動時機則由真人語音活動偵測結果所決定。演算法皆實現於個人電腦上,並利用最佳化的函式庫來達到即時的效果。為了確認系統效能,此語音純化系統與兩種語音辨識器做結合,由實驗證明,此演算法能抑制干擾源的影響,並用來提升語音辨識率。zh_TW
dc.language.isozh_TWen_US
dc.subject麥克風陣列zh_TW
dc.subject語音活動偵測zh_TW
dc.subject空間濾波器zh_TW
dc.subjectMicrophone arrayen_US
dc.subjectVoice Activity Detectionen_US
dc.subjectBeamformeren_US
dc.title使用麥克風陣列實現即時語音純化與真人語音活動偵測系統zh_TW
dc.titleA Real-time Speech Purification and Voice Activity Detection System Using Microphone Arrayen_US
dc.typeThesisen_US
dc.contributor.department電控工程研究所zh_TW
Appears in Collections:Thesis


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