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噪音环境下孤立词的语音识别 被引量：1

Speech Recognition of Isolated Words in Noisy Environment
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摘要 噪音环境下的语音识别一直是语音识别的难点，本文采用了谱减法进行去噪，进行孤立词（数字0-9）的识别。 Speech Recognition in noisy environment is hard problem of speech recognition.This paper used spectral subtraction way to decrease noise and recoginize isolated words,improved the recognition rate.
作者 刘鹏 王怀杰 LIU Peng, WANG Hual-jle （Universig of South Chma,Hengyang 421001, China）
机构地区 南华大学
出处 《电脑知识与技术》 2007年第12期1399-1400,1404,共3页 Computer Knowledge and Technology
关键词 语音识别 LPC DTW 语音增强 谱减法 Speech Recogniton LPC DTW Speech Enhancement Spectral subtraction
分类号 TN912 [电子电信—通信与信息系统]
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  • 1胡广书.数字信号处理-理论、算法与实现[M].北京:清华大学出版社,2001..
  • 2Gabrea M. Adaptive Kalman filtering-based speech enhancement algorithm. Canadian Conference on Electrical and Computer Engineering, Toronto, 2001.
  • 3Ogata S, Shimamum T. Reinforced spectral subtraction method to enhance speech signal. Proceedings of IEEE Region 10 International Conference on Electrical and Electronic Technology, Singapore, 2001.
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  • 5Martin R. Speech enhancement using MMSE short time spectral estimation with gamma distributed speech priors. IEEE International Conference on Acoustics, Speech, and Signal Processing, Orlando, 2002.
  • 6ChangHuai You, SooNgee Koh, Rahardja S. Adaptive /spl beta/-order MMSE estimation for speech enhancement. IEEE International Conference on Acoustics, Speech, and Signal Processing, Singapore, 2003.
  • 7Dai Qijun, Chen Yanpu, Bian Zhengzhong. Optimizing speech enhancement based on noise masked probability.2002 6th International Conference on SignalProcessing,, Xi'an, 2002.
  • 8Yi Hu, Loizou P C. Speech enhancement based on wavelet thresholding the multitaper pectrum[J]. IEEE Transactions on Speech and Audio Processing, 2004, 12(1):59- 67.
  • 9Rezayee A, Gazor S. An adaptive KLT approach for speech enhancement[J]. IEEE Transactions on Speech and Audio Processing, 2001, 9(2): 87 - 95.
  • 10Hasan M K, Zilany M S A, Khan M R. DCT speech enhancement with hard and soft thresholding criteria[J].Electronics Letters, 2002,38(13):669 - 670.

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电脑知识与技术
2007年 第12期

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