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jiangzao
- 这是一个有关语音信号中的噪声降噪的原代码，结果可能有些不好-This is one of the voice signal noise of the original noise code, the result may be some bad
xiaobohezixiangguan
- 本文提出了一种利用二进制小波变换和短时自相关函数相结合的算法来检测语音信号的基音周期。它克服了单纯的短时自相关函数法对含噪语音检测时阈值难以确定的缺陷。-This paper proposes the use of a binary wavelet transform and short-time auto-correlation function of combining voice algorithm to detect letter Pitch No. cycle. It overcome
segsnr.利用matlab进行语音信号的信噪比求解
- 利用matlab进行语音信号的信噪比求解。。,clc clear x=wavread( x1 ) y=wavread( y1 )
voice_activity_detection
- 传统的有声无声检测方法只能在相对安静的环境下（<20dB）进行。因此传统方法不能满足噪声环境下的检测要求；另一方面，一直以来，单通道语音增强没有取得突破性进展，一个很重要的原因是没有找到高效的有声无声检测方法。研究了一种有声/无声检测算法是根据信号低频带、高频带短时能量包络的动态变化范围来判别噪声和含噪语音。对每一帧输入信号，通过与预先设定的一系列门限值比较来判断该帧是信号帧还是噪声帧。本设计使用了这种检测方法，选用北京瑞泰创新科技有限公司开发CETECK-VC33-D板，配合自己制作的前
cross_speech_cancellation
- 传统双话筒降噪应用中，要求采用定向话筒对抗话音串扰问题，并且语音损伤较大，采用抗交叉串绕算法后，仅噪声被抵消，语音信号被保留。分为两个阶段，第一阶段，学习环境，第二阶段，抵消噪声。-Traditional dual-microphone noise reduction applications, the adoption of directional microphone voice against crosstalk, and a larger voice injury, using anti
Matlabwork_lhr
- 学习阶段自己写的，语音信号去噪的matlab程序，希望大家给出批评指正意见。-Stages of learning to write their own, the speech signal denoising matlab program, hope that we are given the views of critics correction.
DigitalFilter
- 滤波器设计的目的是对信号进行数据序列的频率变换，去掉其中我们不需要的频率成分，用数字滤波器课实现语音信号去噪-Filter is designed to sequence the signal frequency of the data transformation, which we do not need to remove frequency components, with digital filter class voice signal denoising
WaveletTransform
- 时频分析方法是非平稳信号处理的一个重要分支，它是利用时间和频率的联合函数来表示非平稳信号，并对其进行分析和处理，利用时频分析法对语音信号进行去噪。-Non-stationary time-frequency analysis is an important branch of signal processing, it is the joint use of time and frequency functions to represent the non-stationary signal a
Preemphasis
- 傅里叶变换能将满足一定条件的某个函数表示成三角函数（正弦和/或余弦函数）或者它们的积分的线性组合。利用傅里叶变换可对语音信号消噪。-ourier transform to meet certain conditions can be expressed as a function of trigonometric functions (sine and/or cosine functions), or their integral linear combination. Fourier tran
Wxiaobooa
- 小波变换用于语音信号阈值去噪的的一个matlab程序 -Wavelet transform for voice signal threshold denoising of a matlab program
Across_speechp
- 传统双话筒降噪应用中，要求采用定向话筒对抗话音串扰问题，并且语音损伤较大，采用抗交叉串绕算法后，，仅噪声被抵消，语音信号被保留。分为两个阶段，第一阶段，学习环境，第二阶段，抵消噪声。 -The application of the traditional dual-microphone noise reduction, directional microphone to confront the problem of voice crosstalk, and the voice more
Sddenoisep
- 语音信号去噪和编码系统,包括语音信信号的采集和播放主程序,中断程序去噪等 -Speech Signal Denoising and Coding System, including the voice channel signal capture and playback the main program and interrupt program Denoising
Acquisition-of-the-speech-signal
- matlab语音信号的采集，以及经过加噪后的滤波器过滤及相关的matlab程序-Matlab voice signal acquisition, and after adding noise after filtering and matlab program
signal_analsys
- 建立一个简单的语音信号加噪去噪系统。先录入语音，进行频谱分析，再分别对加噪语音信号和去噪之后的信号进行频谱分析。(A simple speech signal denoising system is proposed. First input the speech, carry on the frequency spectrum analysis, and then carry on the frequency spectrum analysis to the noisy speech sign
MATLAB
- 语音信号去噪，算法通过卡尔曼滤波器来去噪，其实现过程不是很复杂(Speech signal denoising, the algorithm through the Calman filter noise, the process is not very complicated)
TestNs
- 可以对语音信号进行降噪处理,非常完整的工程，对于语音信号的初学者和需要学习c的人来说很方便(Voice signals can be noise reduction, very complete project, for voice signals for beginners and those who need to learn C is very convenient)
segmantal SNR
- 计算语音信号的信噪比和分段信噪比，在matlab中使用(Computing signal-to-noise ratio and segmentation SNR of speech signals are used in MATLAB)
语音信号处理
- 对一段语音信号进行读入，并加入高斯白噪声，输出原始信号和噪声信号的频谱，进行分析比较，最后去掉噪声，再对频谱进行分析。(Read a section of the voice signal, and add the Gaussian white noise, the output of the original signal and noise signal spectrum, the analysis and comparison, and finally remove the noise,
jiazaolvbo
- 在MATLAB平台上，录入一个语音信号，对其加噪，然后滤波(In the MATLAB platform, input a speech signal, add noise to it, and then filter)
对语音进行加噪、去噪、变速等处理
- 基于matlab对语音信号进行加入随机噪声、去噪滤波、变声变速等处理，并显示出相关波形和频谱图。(Based on matlab, the speech signal is processed by adding random noise, denoising and filtering, changing sound and speed, and the relevant waveforms and spectrum diagrams are displayed.)