1. 对给定语料估计其基音周期。 要求用MATLAB语言实现有关基音检测算法，并给出检测结果。2. 实验语料：aoYiSheng.raw 发音：“茅以升”；时长0.9s；采样率：8kHz；量化精度为16bits/sample；数据格式 LSB,MSB分析帧长:20ms(160样点)总帧数：45-1. Corpus right to set its estimated Pitch. Asked to use MATLAB the pitch detection algorithm, and

这是G.723和G.729的音频编解码的源代码，当在网络带宽不够的时候可考虑采用该语音编码方式。-This is the G.723 and G.729 audio codec source code, When the network bandwidth may be insufficient time to consider the use of the voice coding.

WAV格式的DTMF的音源，其中有对DTMF的介绍和应用。做DTMF识别的时候应该要用到。-DTMF WAV format audio source, including the introduction and application of DTMF. DTMF recognition should be made to use the time to.