语音信号的时域、频域与倒谱域分析。
1.分析一帧清音和浊音的自相关函数和倒谱系数
2.用Matlab画出该段语音的时域波形、短时能量、短时平均幅度、短时过零率、短时过电平率
3.选择一帧无声、清音和浊音的语音，用Matlab画出它们的对数幅度谱
Time domain, frequency domain and cepstrum domain analysis of speech signals.
1. Analyze the autocorrelation function and cepstrum coefficient of unvoiced and voiced sounds
2. Use Matlab to plot the time domain waveform of the speech segment, short-term energy, short-term average amplitude, short-term zero-crossing rate, and short-term overshoot ratio.
3. Select an unvoiced, unvoiced, and voiced sound and use Matlab to plot its logarithmic amplitude spectrum (2018-05-11, matlab, 143KB, 下载6次)
维纳滤波器实现语音信号降噪，语音增强。压缩包中已经包含测试语音片段
wiener filter for speech enhancement, speech denoising (2017-10-24, matlab, 159KB, 下载24次)
完整的基于HMM的语音识别系统，FIR 底通和带通滤波器和IIR 底通和带通滤波器，关于超声波倒车雷达测距的。
Complete HMM-based speech recognition system, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, About ultrasonic parking radar ranging. (2016-11-30, matlab, 5KB, 下载1次)
比较实现了自适应滤波器的LMS算法与ＲＬＳ算法，不同的参数，仿真图！
compare the RLS and LMS alorigthm,with different varibles (2012-11-28, matlab, 73KB, 下载8次)
基于LMS和RLS的自适应滤波器的应用仿真 两者比较
Application simulation both LMS and RLS adaptive filter based (2012-10-21, matlab, 510KB, 下载5次)
LMS自适应滤波器，可以自动识别设置频率。
LMS adaptive filter can automatically identify the set frequency. (2012-10-15, matlab, 138KB, 下载4次)
基于最小均方误差的助听器语音去噪算法, 用于以最大程度消除助听器接受的语音杂音.
Speech denoising algorithm based on the minimum mean square error of a hearing aid for the hearing aid acceptable voice murmur eliminated to the greatest extent. (2012-10-08, matlab, 2KB, 下载68次)
如果观察比较纯净的语音，可以看到韵母部分的波形呈现出一定的周期特性，这个周期被称为基音周期(pitch/f0)。通常部分声母和静音部分观察不到周期性，也就是没有基音周期。基音周期反映了发音时声门开合的频率特点。
对语音进行短时自相关处理，估计基音周期，考察各种平滑方法对自相关结果的影响。
If you look at a more pure voice, vowel part of the waveform can be seen showing the cyclical nature of this cycle known as the pitch (pitch/f0). Usually part of the initial consonant and mute some observers are less cyclical, is the pitch period. The pitch period reflects the pronunciation glottal opening and closing of the frequency characteristics. Voice short-term self-treatment, the estimated pitch period, and examine the impact of a variety of smoothing methods for self-relevant results. (2012-06-12, matlab, 307KB, 下载28次)
采用FFT和低通滤波器的两种语音除噪算法比较，MATLAB编程，附效果图
Using FFT and low pass filter audio noise canceling algorithm for the two compare, MATLAB programming, with a results map (2010-01-12, matlab, 48KB, 下载70次)
IIR滤波器设计源程序代码，拿来给大家共享，大家及时下载学习。
IIR digital filter design source ！！ (2010-01-01, matlab, 140KB, 下载12次)
matlab实现的很有用的语音识别源代码，包括MFCC，LPCC，DTW，Mel滤波器，端点检测等程序的实现。
Useful code of audio recognization writed by matlab, inclucing MFCC, LPCC, DTW, Mel Filter, Port Detection etc. (2009-10-02, matlab, 10KB, 下载110次)
自适应噪声抵消matlab,基于自适应滤波器的噪声抵消系统设计
AdaptiveFilterCancelingNoises (2009-06-12, matlab, 1KB, 下载58次)
录制一段个人自己的语音信号。对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；对语音信号进行加噪和去噪处理，画出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，分析信号的变化；回放语音信号；实现快录慢放、慢录快放等功能。
Record a person' s own voice signal. Of the recorded signal sampling draw sample after the speech signal time-domain waveform and frequency spectrum of voice signals, noise and de-noising processing, draw Filtered time-domain signal waveform and spectrum, and filtering the signal before and after comparative analysis of signal changes playback voice signal realize quickly recorded slow release, slow release recorded faster functions. (2009-02-15, matlab, 238KB, 下载750次)
基于LMS算法的自适应滤波器仿真实现,希望对大家有用
LMS algorithm based on adaptive filter simulation, in the hope that useful (2009-01-08, matlab, 317KB, 下载8次)
使用matlab 编写的具有调整滤波器的参数来处理输入的语音信号使之具有消除噪声的功能，包括FIR和IIR两种滤波器，使用GUI界面。
Prepared with the use of matlab to adjust filter parameters to deal with input voice signal so that they are the elimination of noise features, including two types of FIR and IIR filters, use GUI interface. (2008-11-12, matlab, 7140KB, 下载79次)
本程序介绍了利用巴特沃斯滤波器提取基音程序的方法。
This procedure describes the use of Butterworth filters Pitch extraction procedures. (2008-04-01, matlab, 1KB, 下载9次)
matlab 仿真 lai 实现用自适应iir滤波器 用lms算法
matlab simulation lai using adaptive IIR filter using LMS algorithm (2007-11-27, matlab, 1KB, 下载50次)
自己编写的一段程序，可以对语音信号的六种主要特征参数进行提取。（其中MFCC需要调用melfb滤波器组。）
I have written for some procedures, voice signals can be the main features of the six parameters extracted. (Including MFCC filter banks melfb need to call.) (2007-09-28, matlab, 1KB, 下载81次)
构造一组被噪声污染的方波或三角波数据，试选取适当的FIR滤波器结构和参数，分别应用LMS,DFT/LMS和DCT/LMS算法来实现自适应滤波器，对改组数据进行滤波，并分析仿真结果。
Construction Group was one of the Noise Pollution square or triangular wave data, Examination choose appropriate FIR filter structure and parameters, application LMS, DFT/LMS and DCT/LMS algorithm to achieve adaptive filter, the reorganization data filtering, and analysis of simulation results. (2007-07-03, matlab, 114KB, 下载131次)
LMS算法的训练滤波器，均衡滤波处理，硬判决，包括：1训练，2均衡处理，3判决并计算误码
training filter, filter balanced, hard decision, including : a training and two balanced, 3 judgment and calculation error (2007-06-18, matlab, 1KB, 下载131次)