【正文】 phFormatLineSpacingLinesToPoctionParagraSelec 6 目 錄 緒 論 ……………………………………………………… … 7 第 1 章 ： 語音端點(diǎn)檢測問題的提出 ……………………… ...8 第 2 章 ： 語音技術(shù)的現(xiàn)狀 ………………………………… ..10 第 3 章： 端點(diǎn)檢測技術(shù)的現(xiàn)狀 …………………………… ..13 第 4 章： 噪聲環(huán)境下的端點(diǎn)檢測 ………………………… ...15 第 5 章： 短時(shí)能量和過零率 ……………………………… … 21 5. 1 算法及檢測流程 ……………………………………… … 21 算法簡述 …………………………………………… … .22 檢測流程 …………………………………………… … ..22 . 系 統(tǒng)實(shí)現(xiàn)及優(yōu)化 …………………………………… … … .23 .1 ＦＩＦＯ模塊 ………………………………… … …… .24 濾波器模塊 ………………………………………… … … 25 加窗、平均能量計(jì)算模塊 ……………………… … …… .27 語音判決模塊 ……………………………… … … .……… 29 控制模塊 ………………………………………… … .…… .30 5. 系統(tǒng)綜合結(jié)果 …………………………………… … …… .30 仿真結(jié)果及分析 ………………………………… .…… ....30 第 6 章、總結(jié) ?????????????????? ? ? 31 致謝 ???????????????????? ?? ?? 33 參考文獻(xiàn) ?????????????????? ?? ?? 34 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在低信噪比情況下進(jìn)行仿真和比較。SelectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointselectionParagraaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesTSelectionParbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbagraphFoLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointse11111111111111111111111111111111lectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraphFormatLineSpaci2222222222222222222222ngLinesToPoints2SelectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointselectionParagraphFccccccccccccccccccccccccccccccccccccccccccccccccccccccccormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraSelec SelectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointselectionParagraaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesTSelectionParbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbagraphFoLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointse11111111111111111111111111111111lectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraphFormatLineSpaci2222222222222222222222ngLinesToPoints2SelectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointselectionParagraphFccccccccccccccccccccccccccccccccccccccccccccccccccccccccormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraSelec 1 湖 南 涉 外 經(jīng) 濟(jì) 學(xué) 院 電氣與信息工程學(xué)部 畢 業(yè) 設(shè) 計(jì) 設(shè)計(jì)（論文） 題 目： 基于 Matlab 的語音端點(diǎn)檢測算法研究 班 級： 0602 姓 名： 彭海歐 專 業(yè)： 應(yīng)用電子技術(shù) 指導(dǎo)教師： 李晉 2020 年 5 月 4 日 SelectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointselectionParagraaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesTSelectionParbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbagraphFoLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointse11111111111111111111111111111111lectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraphFormatLineSpaci2222222222222222222222ngLinesToPoints2SelectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointselectionParagraphFccccccccccccccccccccccccccccccccccccccccccccccccccccccccormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraSelec SelectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointselectionParagraaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesTSelectionParbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbagraphFoLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointse11111111111111111111111111111111lectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraphFormatLineSpaci2222222222222222222222ngLinesToPoints2SelectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointselectionParagraphFccccccc