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jiyuxiaobobianhuandeyuyintezhentiqu
- 基于不变集多小波的语音特征参数提取研究 用小波变换替代傅立叶变换和梅尔滤波-Based on the invariant set Multiwavelet voice characteristic parameter extraction for research of wavelet transform and Fourier transform alternative Mel filter
ditong
- 基于MATLAB设计的FIR低通滤波器,并对语音进行了滤波处理-MATLAB-based design of FIR low-pass filter, and a voice filter processing
dsp
- 输入自己事先录制好的语音信号,该程序实现将语音信号通过FIR低通、高通、带通滤波器后还原出来的语音质量-Enter their own pre-recorded speech signal, the program will realize voice signal through the FIR low-pass, high pass, band-pass filter to restore them after the voice quality
liguyue
- 数字信号处理的课程设计。题目是语音信号滤波去噪——使用双线性变换法设计的切比雪夫II型滤波器-Digital signal processing design curriculum. Topics are filtering denoising speech signals- the use of bilinear transform design Chebyshev Type II Filter
zjdwork
- 语音信号滤波程序(低通、带通、多带通、fft卷积滤波 自己动手做的-Voice signal filtering process (low-pass, band-pass, multi-band-pass, fft convolution filtering
rever
- 1.进行含噪语音信号的时频分析 2.设计合适滤波器进行去噪 3.进行去噪后信号的时频分析4.设计一个混响器(用四个梳状滤波器和两个全通滤波器(下图所示))来产生回声(通过一个均衡器-Reverberation
WienerScalar
- 来自matlab 官方网站 维纳滤波器 语音放大-From the official website of Wiener filter matlab voice to enlarge
Butterworth
- 巴特沃斯滤波器的MatLab代码实现,可以对一段音频进行滤波,与其他滤波器进行对比-Butterworth filter of the MatLab code for implementation can be some audio filtering, comparison with other filters
BF_wiener_g
- 麦克风阵语音增强中波束形成后维纳滤波的MATLAB代码-Microphone Array Speech Enhancement Beamforming MATLAB code after the Wiener filtering
WienerFilter_matlab
- 基于维纳滤波的语音增强matlab程序,内含VAD,滤波效果良好,推荐!-weiner filter including vad,based on matlab
main
- MATLAB中GUI的设计实例,其中包括语音信号的录制、采样、滤波、重构、以及计算语音信号的频谱特性。-MATLAB GUI design example, including voice signal sampling, filtering, recording, and calculate the reconstruction, the speech signal spectrum characteristics.
filter
- 本文分析了语音数字信号的采集来源以及其预处理。通过实例,利用Matlab对语音信号进行时频变换与分析,同时构造一个固定频率的干扰信号,对两个信号进行合成,设计数字滤波器,实现对语音信号的F IR、IIR滤波处理,最后在时域和频域中对信号进行分析比较。-This paper analyzes the sources of voice digital signal acquisition and its pretreatment. By example, voice signals using Ma
LPC_ACFpitchdetection
- 这是一个简单的语音基音检测方法,通过对语音信号进行滤波、分帧、求自相关函数,可得到浊音的基音周期,从而实现基频检测。-This is a simple voice pitch detection, voice signals by filtering, sub-frame, find the autocorrelation function, voiced the pitch period available to achieve the fundamental frequency testin
MATLAB
- 截取语音处理的图片设计滤波器,并对被噪声污染的语音信号进行滤波,画出滤波前 后信号的时域波形和频谱,并进行比较分析; -The statics is very good for the semaster
VariableNoisySpeechEnhancementAlgorithmPerformance
- 语音增强是影响语音识别系统性能的重要成分。为了比较语音增强算法的性能,采用Matlab软件进行了数值仿真,对不同噪声环境下的语音用3种不同的方法进行降噪,采用信噪比、端点检测等方法来降噪效果,并对几种增强算法的性能进行了比较分析。结果表明,在变噪声环境下短时谱MMSE法最佳,谱减法和维纳滤波法各有优点。-Speech enhancement of voice recognition is an important component of system performance. In order
BasedonMATLABspeechsignalspectrumanalysisandfilter
- 录制一段个人自己的语音信号,并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;给定滤波器的性能指标,采用窗函数法和双线性变换设计滤波器,并画出滤波器的频率响应;然后用自己设计的滤波器对采集的信号进行滤波,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-The individual' s own record a voice signal, and the recorded signal is sampled draw sampled
dsp
- 1.录制一段自己的语音信号,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 给定滤波器的性能指标,采matlab设计数字滤波器,并画出滤波器的频率响应 然后用自己设计的滤波器对采集的信号进行滤波,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。2.-1. Recorded his voice for some signal, the signal is sampled on the record draw sampled speech si
VirtualSound
- 用头相关传输函数卷积合成虚拟声的方法,我们将利用没有方位信息的单通道声音信号(可以是一段标准语音,也可以是音乐等其他类型的声音),通过信号处理的方法赋予其方位感。 人能听到声音是声音在空间中传播的结果,声音从声源到人耳鼓膜传播过程中发生了变化,这种变化可以看成是人双耳对声音的滤波作用,因此我们将声音从自由场传到鼓膜处的传输函数定义为头相关传输函数(HRTF, Head Related Transfer Function),其对应的时域响应称为头相关冲激响应(HRIR, Head Relat
matlab
- 该程序主要也是针对滤波器设计的,实现了对一个语音信号的滤波处理-The program is largely designed for the filter, the realization of a voice signal filtering
matlab
- 基于matlab的语音采集及滤波系统的仿真实现-Matlab voice-based filtering system acquisition and Simulation