IMPROVING VOICE ACTIVITY DETECTION VIA WEIGHTING LIKELIHOOD AND DIMENSION REDUCTION-中国期刊网

摘要 TheperformanceofthetraditionalVoiceActivityDetection(VAD)algorithmsdeclinessharplyinlowerSignal-to-NoiseRatio(SNR)environments.Inthispaper,afeatureweightinglikeli-hoodmethodisproposedfornoise-robustVAD.Thecontributionofdynamicfeaturestolikelihoodscorecanbeincreasedviathemethod,whichimprovesconsequentlythenoiserobustnessofVAD.Divergencebaseddimensionreductionmethodisproposedforsavingcomputation,whichreducesthesefeaturedimensionswithsmallerdivergencevalueatthecostofdegradingtheperformancealittle.ExperimentalresultsonAuroraIIdatabaseshowthatthedetectionperformanceinnoiseenvironmentscanremarkablybeimprovedbytheproposedmethodwhenthemodeltrainedincleandataisusedtodetectspeechendpoints.Usingweightinglikelihoodonthedimension-reducedfeaturesobtainscom-parable,evenbetter,performancecomparedtooriginalfull-dimensionalfeature.

1Qi Wang;Hualong Tao;Zhiqiang Li;Chunhuan Chen;Shanshan Liu;Lei Han;Xing Lu. Improving electrochemical activity of PtRu/SnO2/C catalyst by reduction treatment and alkaline etching.物理,2016-05.
2HANI M. O. Iwidat. Improving Accuracy of Spam Detection.计算机应用技术,2008-02.
3XIANG Jian WENG Jian-guang ZHUANG Yue-ting WU Fei. Ensemble learning HMM for motion recognition and retrieval by Isomap dimension reduction.物理,2006-12.
4Liao Zuwei;Zhang Yi;Rong Gang;Yang Yongrong. Improving Refinery Profits via Fine Management of Hydrogen Networks.油气加工工程,2010-02.
5Saleh A. Alshehri;Sabira Khatun;Adznan B. Jantan;RSA Raja Abdullah;Rozi Mahmud;Zaiki Awang. Feature Reduction Effect on UWB Imaging for Breast Tumor Detection.计算机应用技术,2011-08.
6Piotr Tomaszewski Lars Lundberg Hakan Grahn. Improving Fault Detection in Modified Code - A Study from the Telecommunication Industry.计算机科学与技术,2007-03.
7Gou Shuiping Feng Jing Jiao Licheng. CLUSTERING VIA DIMENSIONAL REDUCTION METHOD FOR THE PROJECTION PURSUIT BASED ON THE ICSA.物理电子学,2010-04.
8ZHANG Jingxiong;David Roy;Sadashiva Devadiga;ZHENG Min. Anomaly Detection in MODIS Land Products via Time Series Analysis.测绘科学与技术,2007-01.
9Hao YANG;Bin JIANG. Fault detection and accommodation via. neural network and variable structure control.控制理论与控制工程,2007-03.
10Junmin HU. Fault detection for nonlinear discrete-time systems via deterministic learning.控制理论与控制工程,2016-02.

IMPROVING VOICE ACTIVITY DETECTION VIA WEIGHTING LIKELIHOOD AND DIMENSION REDUCTION

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IMPROVING VOICE ACTIVITY DETECTION VIA WEIGHTING LIKELIHOOD AND DIMENSION REDUCTION

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