Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 胡竹生 | en_US |
dc.contributor.author | 李明唐 | en_US |
dc.date.accessioned | 2014-12-16T06:12:29Z | - |
dc.date.available | 2014-12-16T06:12:29Z | - |
dc.date.issued | 2014-05-11 | en_US |
dc.identifier.govdoc | G10K011/16 | zh_TW |
dc.identifier.govdoc | H04M009/08 | zh_TW |
dc.identifier.govdoc | G10L021/02 | zh_TW |
dc.identifier.uri | http://hdl.handle.net/11536/103642 | - |
dc.description.abstract | 本發明提供一種空間前處理目標干擾比權衡之濾波裝置及其方法,其係利用二麥克風接收至少一目標聲源所發出之聲音訊號,利用快速傅立葉轉換將聲音訊號分割成複數正弦波;利用一波束形成器(beamformer)將正弦波形成波束訊號,並利用一參考訊號產生器產生至少一參考訊號;依據波束訊號及參考訊號計算出頻譜能量密度,再依據頻譜能量密度得到一目標干擾比;利用目標干擾比判斷目標聲源是否存在,並依此判斷一雜訊消除器之切換估測,以去除該波束訊號中之雜音部分,形成輸出訊號;最後將輸出訊號利用反快速傅立葉轉換重組後輸出。 | zh_TW |
dc.language.iso | zh_TW | en_US |
dc.title | 空間前處理目標干擾比權衡之濾波裝置及其方法 | zh_TW |
dc.type | Patents | en_US |
dc.citation.patentcountry | TWN | zh_TW |
dc.citation.patentnumber | I437555 | zh_TW |
Appears in Collections: | Patents |
Files in This Item:
If it is a zip file, please download the file and unzip it, then open index.html in a browser to view the full text content.