文档介绍:CELP语言编解码器的实现及其优化(附答辩记录和仿真程序)
CELP语言编解码器的实现及其优化(附答辩记录和仿真程序)(包含选题审批表,任务书,开题报告,中期检查报告,毕业论文11000字,答辩记录,成绩评定册,实习成绩考核表,程序代码) 摘要:本文通过描述低速率语音编解码技术的发展现状引出CELP(Code Excited Linear Pr ...
<p>CELP语言编解码器的实现及其优化(附答辩记录和仿真程序)(包含选题审批表,任务书,开题报告,中期检查报告,毕业论文字,答辩记录,成绩评定册,实习成绩考核表,程序代码) <br />
摘要:本文通过描述低速率语音编解码技术的发展现状引出CELP(Code Excited Linear<br />
Prediction 码激励线性预测编码)语言编解码器的实现意义,文章主要介绍了语音抽样与线性预测系数计算的具体方法来实现对残差信号的处理,其中CELP语言编解码是中,低速率下比较成功的编码算法,文章将语言信号数字模型化,介绍了码激励线性预测编码的基本原理和优化的具体方法,通过计算机仿真来描述程序对CELP编解码的流程的实现。<br />
关键词:CELP的发展现状;CELP语言;语言编码;数字信号处理;计算机仿真<br />
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Implementation and Optimization of CELP voice codec<br />
Abstract:This paper describes low speed speech decoding technology development present situation leads CELP (Code Excited Linear Prediction yards incentive linear forecast coding) language codec implementation significance, this paper mainly introduces the speech sampling and linear forecasting the concrete method of calculating coefficients of residual signals to realize the processing, which CELP language decoding is under the low rate of relatively essful encoding algorithm, the article will digital signal modeling language, this paper introduces incentive linear forecast coding code of basic principle and optimization specific methods, puter simulation to describe the procedure CELP decoding the process of the implementation. <br />
Key words:CELP development present situation ; CELP language ; Language code; Digital signal processing ; Computer simulation ;<br />
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研究目的、内容<br />
&nbsp;&nbsp;&nbsp;&nbsp; 目的:更好的提高声音的辨识度,让浊音表达的更为准确;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 怎样优化CELP语言编解码器;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 对误差信号进行感觉加权,提高语音的主观质量;<br />
内容:优化CELP语言编解码器的方法的实现;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 怎么样对差信号进行感觉加权;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 怎么运用分数延时改进基音预测;<br />
研究方法<br />
阅读参考资料、查阅相关文献。统计实验数据。<br />
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程序总体设计<br />
本程序实现语音数据的实施编解码