| 基于电力载波通信的低码率语音压缩编码的方法及分析 |
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| 引用本文： | 刘斌,叶青,王文理.基于电力载波通信的低码率语音压缩编码的方法及分析[J].河北大学学报(自然科学版),2002,22(1):63-67. |
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| 作者姓名： | 刘斌 叶青 王文理 |
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| 作者单位： | 河北大学电子信息工程学院,河北,保定,071002 |
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| 摘 要： | 近年来,由于数字通信及其他商业应用的需求,语音压缩技术得到了迅速发展,针对目前几种具有代表性的低速率语音压缩编码算法(如:LPC声码器,CELP,MBE,PWI,小波变换等)进行分析和比较,介绍各自的基本原理,并在此基础上分析了各自的优、缺点及实际应用.
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| 关 键 词： | 语音压缩编码 声码器 CELP MBE PWI 小波变换 |
| 文章编号： | 1000-1565(2002)01-0063-05 |
| 修稿时间： | 2001年10月6日 |
Methods and Analysis About the Low- bit- rate Speech Compression Coding Based on Power Carrier Communication |
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| LIU Bin,YE Qing,WANG Wen-li.Methods and Analysis About the Low- bit- rate Speech Compression Coding Based on Power Carrier Communication[J].Journal of Hebei University (Natural Science Edition),2002,22(1):63-67. |
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| Authors: | LIU Bin YE Qing WANG Wen-li |
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| Abstract: | Speech compression has advanced rapidly in recent years spurred by digital communication and diverse commercial applications. Some kinds of typical algorithms about low-bit-rate speech compression coding at present have been analysed and compared,for example:LPC Vocoder,CELP,MBE,PWI,wavelet transform.Their fundamental are introduced and on this basis their advantages, disadvantages and practical applications are analysed in this paper. |
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| Keywords: | speech compression coding vocoder CELP MBE PWI wavelet transform |
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