目 录
第 1 章 绪论................................................................................................................1
1.1 语音信号 LPC 分析技术的根本概念.....................................................................................1
1.2 语音信号 LPC 分析技术的开展.............................................................................................2
1.3 语音信号 LPC 分析技术的应用.............................................................................................2
1.4 根本设计要求及设计思路 ......................................................................................................3
第 2 章 线性预测编码的根本原理............................................................................4
2.1 语音信号的数字模型 ..............................................................................................................4
2.1.1 鼓励模型............................................................................................................................4
2.1.2 辐射模型............................................................................................................................5
2.1.3 声道模型............................................................................................................................5
2.2 线性预测的概念与原理 ..........................................................................................................6
2.2.1 线性预测分析的概念........................................................................................................6
2.2.2 自相关法............................................................................................................................7
2.2.3 协方差法............................................................................................................................8
2.2.4 全极点声道模型................................................................................................................8
2.3 解线性预测参数方程组的算法 ..............................................................................................9
2.3.1 利用乔里斯基分解计算协方差法的方程组....................................................................9
2.3.2 利用杜宾递推算法计算自相关法的方程组..................................................................11
2.3.3 利用格型法求解线性预测系数......................................................................................12
2.4 各种算法的比拟 ....................................................................................................................16
第 3 章 编程实现 LPC 分析 ....................................................................................19
3.1 MATLAB 的简介 ..................................................................................................................19
3.2 基于 MATLAB 的编程实现 .................................................................................................20
3.2.1 程序设计流程图..............................................................................................................21
3.2.2 主函数及其功能..............................................................................................................21
3.2.3 程序分析..........................................................................................................................22
3.2.4 实验结果与分析..............................................................................................................24
3.3 基于 C 的编程实现 ...............................................................................................................24
结束语..........................................................................................................................26
谢 辞..........................................................................................................................27
