搜索资源列表
matlab
- matlab去除50hz噪声,采集声音信号,然后通过滤波程序,过滤50Hz的交流电-matlab to remove noise, 50hz, collecting sound signals, and then through the filtering process, filtering the 50Hz AC
LMS
- 实现FIR系统中的最小均方误差自适应滤波算法(LMS),并通过误差曲面研究其性能。-FIR system in the minimum mean square error adaptive filtering algorithm (LMS), and study its performance through the error surface.
Matlab-speech-process
- 对语音信号的频谱分析,滤波,GUI界面设置,更加方便的进行语音的频谱分析与滤波处理。-The spectrum of the speech signal analysis, filtering, GUI interface settings, be more convenient for the voice spectrum analysis and filtering process.
weina
- 自己编写的维纳滤波的算法,有清楚的注释,基于提取初始寂静噪声的滤波算法。-Wiener filtering algorithm, I have written a clear comment the initial silence noise filtering algorithm based on the extraction.
bditong
- 用matlab实现巴特沃斯低通滤波器的M文件。本例读取电脑自带的XP开机声音,加上高频噪声,然后滤波看效果。-Butterworth low-pass filter using matlab M-file. This case, read the computer comes with XP start-up sound, coupled with high-frequency noise, and then filter to see the effect.
bdaitong
- 用matlab实现巴特沃斯带通滤波器的M文件。本例读取电脑自带的XP开机声音,加上噪声,然后滤波看效果。-Using matlab to achieve the M-file Butterworth bandpass filter. This case, read the computer comes with XP start-up sound, plus noise, and then filter to see the effect.
bgaotong
- 用matlab实现巴特沃斯高通滤波器的M文件。本例读取电脑自带的XP开机声音,加上低频噪声,然后滤波看效果。-With Matlab M-file Butterworth high-pass filter. This case, read the computer comes with XP start-up sound, coupled with the low-frequency noise, and then filtering to see results.
noise_vad
- 语音增强 维纳滤波 VAD语音激活检测估计噪声-Wiener filtering speech enhancement estimate the noise VAD Voice Activity Detection
sparse-coding-and-idbm
- 维纳滤波、理想二进制掩膜以及理想二进制掩膜和稀疏编码相结合的语音加强-speech enhancement algorithms ,including wiener filter , IBM and research on IBM and sparse coding jointly
iir
- 语音信号的iir滤波器设计,从带有噪音的信号中提取原始声音.目前,MP3播放器一般功率放大器的工作频率范围就是这个范围。但是大部分有用的和可理解的信息的频率在200到3500Hz之间。所以我们可以在这个范围间滤波,达到使声音可理解的要求。现将数字滤波器的设计指标设为通带截止频率fb=600HZ,阻带频率fc=1200HZ,通带波纹Ap=1dB,阻带波纹As=40dB,要求确定H(z)。-design of the iir filter, get the original voice withou
fir
- 对语音信号进行滤波,得到清晰度提高的信号。通带频率600Hz;截止频率Fc为1200Hz;通带衰减为1dB,阻带衰减为30dB。使用的窗函数类型为Hanning 窗。-design of fir filter,get the original voice without noise
pass
- 简单语音处理,包括高通、低通、带通以及带阻滤波器的滤波。对语音处理有基本的认识-Simple speech processing, including high-pass, low-pass, band-pass and band-stop filter filtering. For a basic understanding of speech processing
td_FIR
- 基于安森美bs250开发的时域FIR滤波算法。使用汇编语言开发的。-td_FIR BelaSigna250
lvbo
- 基于MATLAB的语音信号处理,对原始语音信号加入 s=0.05*sin(2*pi*f*Ts*n)的噪声后,去除噪声,完成滤波。-MATLAB-based speech signal processing, the original speech signal after adding s = 0.05* sin (2* pi* f* Ts* n) noise, noise removal, complete the filtering.
dsp
- fir录波器,可以合成不同的滤波波形,里面含有详细的教程,对初学者很有用哟-fir wave recording, you can synthesize different filtered waveform, which contains a detailed tutorial, very useful for beginners yo
MFCC
- 用于语音识别中的MFCC特征系数的提取,并包含mel滤波子函数-Used to extract the speech recognition feature MFCC coefficients and contains mel filter Functions
Audio-processing-GUI
- 声音处理,给出一段声音,给声音滤波,给声音的频率提高,音调-Sound processing, gives a sound, to the sound filtering, to increase the frequency of the sound, tone
Wiener-filter-in-speech-enhance
- 这是我的adsp的project 维纳滤波在语音增强上的应用,是基于维纳滤波的语音增强的matlab实现,其中包括matlab源码,word文档,以及PPT。并设计了简单的 GUI 对语音信号进行加噪处理,然后再其进行维纳滤波。通过gui可以实时改变加入噪声的参数和维纳滤波器的参数,进行分析。并 有频谱显示和语谱对比显示。-This is my project adsp the Wiener filter applied on speech enhancement is ba
recordw
- 维纳滤波语音处理,有效信号和噪声信号叠加后,经维纳滤波后输出信号及波形。-Wiener filter speech processing
matlab
- 1. 给一段原始的语音信号(可以是自己录制的一段语音),加上一频率为3.8kHz的高频余弦噪声和频率为3.6kHz的高频正弦噪声(幅度自己可以选择),用窗函数设计一滤波器(要求最小阻带衰减为50dB)对加噪后的语音信号进行滤波,画出滤波器的频率响应曲线,画出滤波前后的时域图和频谱图。 需要用到的函数: fir1 用窗函数设计FIR滤波器的函数 2. 用GUI设计一界面(如图1所示)完成如下功能: 1) 输入一语音信号,画出语音信号的时域图和频谱图; 2) 对语音信号加噪处理,