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自适应语音抵消算法,用于语音增强,和语音降噪。开发环境matlab-Adaptive Speech cancellation algorithm for speech enhancement, noise reduction and voice. Matlab development environment
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为提高语音端点检测(VAD)在较低信噪比(10 dB)下的准确率,提出一种基于短时分形维数的改进算法。结合语音信号的特点,对2种常用的语音信号分形维数计算方法进行了比较和选择,同时采用动态跟随门限值实现语音端点的自适应检测。试验结果表明:对于信噪比6~10 dB的带噪语音,此方法可以实现整段语音的检测,而且具有一定的噪声鲁棒性,系统运行期间能够自适应调整门限值以适应环境噪声的变化,提高了VAD算法的准确率。这个是源码matlab。-In order to improve voice activi
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基于FIR的有噪声语音信号处理 MATLAB处理-Noise based on the FIR of speech signal processing
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基于FIR的有噪声语音信号处理 MATLAB-Noise based on the FIR of speech signal processing
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基于MATLAB的有噪声的语音信号分析与处理设计-MATLAB-based speech signal with noise analysis and processing design
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小波去噪matlab程序,在噪声环境下语音信号的增强,语音信号为读入的声音文件,噪声为正态随机噪声,在小波基 db3 下进行一维离散小波反变换.-Matlab wavelet denoising procedure, noise enhancement of speech signals, speech signal is read into the sound file, the noise is normal random noise, the wavelet ' db3' u
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基于谱减法语音增强matlab程序,很好的去除噪声,得到增强的语音信号-Speech enhancement based on spectral subtraction matlab program, very good to remove noise, enhanced voice signal
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This a matlab source code algorithm for noise reduction in speech processing.-This is a matlab source code algorithm for noise reduction in speech processing.
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谱减算法的MATLAB实现程序,附带带噪语音文件。wavread一行可以改成自己需要的语音文件和噪声文件,可以查看输入和输出信噪比-MATLAB spectral subtraction algorithm implementation process, with noisy speech files. wavread line can be changed to their needs and noise files voice files, you can view the input an
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基于matlab对语音信号进行频谱分析,加入高斯噪声,再使用FIR高通、巴特沃斯低通、FIR带通滤波器进行滤波处理-Spectral analysis of the speech signal, adding Gaussian noise, and then use high-pass, low pass, band pass filter for filtering
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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)
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to add cross-talk noise to speech
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实现了维纳滤波对语音信号的去噪,输入一段音频文件,取单声道,加噪声后进行滤波(Wiener filtering The Wiener filter is used to denoise the speech signal, input a segment of audio file, take the single channel, and filter the noise after adding the noise)
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运用谱减法,对语音信号进行去噪处理并比较处理前后的信噪比(Using spectral subtraction to denoise the speech signal and compare the signal to noise ratio before and after processing)
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简单的数字滤波器设计
1.用脉冲响应不变法设计巴特沃斯数字滤波器
2. 用双线性变换法设计切比雪夫数字滤波器
3. 用双线性变换法设计巴特沃斯数字滤波器,并将直接型结构转换成级联型结构
5.设计带阻滤波器
6.利用窗函数设计法设计FIR数字低通滤波器
7. 利用频率采样设计法设计FIR数字低通滤波器。
8. 创新训练拓展内容
(1)根据心电信号特点设计IIR或FIR滤波器滤除心电图信号噪声
(2)设计IIR滤波器或FIR滤波器对语音信号进行滤波。(Simple digital
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基于MATLAB 的语音信号频谱分析与去噪研究
1、通过Matlab读入语音信号,进行频域分析
2、绘制语音信号频谱;
3、设计滤波器并进行滤波;
4、加噪,对比语音信号波形和频谱(Research on speech signal spectrum analysis and denoising based on MATLAB
1, read the voice signal through Matlab and analyze it in frequency domain.
2, draw t
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语音信号处理识别分析以及去噪语音信号处理的代码文件(Speech signal processing, recognition, analysis and de noise speech signal processing code files)
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语音信号处理--降噪方法之小波分解法 MATLAB例程(Speech Signal Processing--A MATLAB Routine of Wavelet Decomposition Method for Noise Reduction)
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对噪声和语音进行信噪比的设计,并且生成带噪语音(Design of Signal-to-Noise Ratio for Noise and Speech)
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语音降噪经典算法NLMS最小均方算法MATLAB程序(Speech noise reduction classical algorithm NLMS minimum mean square algorithm MATLAB program)
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