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这是本人用Matlab实现音频噪声滤除的试验，要求分析并选用适当滤波器-using Matlab audio noise filtering tests, requirements analysis and the choice of appropriate filter
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Speech Signal Denoising,Speech Signal Denoising
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matlab的滤波器，有菜单选择，高通，带通和低通，并且内有一个音频文件,matlab filter, there is the menu selection, high-pass, band-pass and low pass, and inside there is an audio file
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先采集一单声道音频信号（.wav）并用WAVREAD文件采样读取，并对其进行频谱分析。分别用窗函数法和双线性变换法设计低通、高通、带通三种FIR滤波器和IIR滤波器。用M文件使信号通过滤波器并对输出信号进行时域和频域分析。-First acquisition of a mono audio signal (. Wav) files with sampling WAVREAD read, and their spectral analysis. Window function, respectiv
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用MATLAB实现了该算法，并对所实现方法进行了验证，在步骤（3）中则给出了求出滤波器类型及参数的方案，并进行验证，在步骤（4）中通过MATLAB的AWGN函数等相关知识实现了AWGN信道的仿真。
本文首先介绍数字水印和音频水印的相关概念和发展概况，接着介绍了完成仿真工作所需的基础知识，之后提出DA/AD变换的仿真实现，-Using MATLAB realization of the algorithm, and the realization method of authenticatio
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After the run of the "MyEqualizer.m" file a graphical user interface appear. By pressing the "Load" we can load audio signal (type .wmv). After we can model the frequency behavior of the FIR filter that is used to filter that signal. After we can lis
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AM modulation with audio anti alliasin filter and fdm
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音频信号处理，主要完成对于音频信号的滤波，内含自己编写的低通、高通和带组数字滤波器源码-Audio signal processing, mainly to complete the filtering for audio signals, including the preparation of their own low-pass, high-pass digital filter and source code with group
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实时滤波器，具有精美界面，可以开发自己的应用功能。-You can use 4 types of filters:
- Butterworth
- Chebyshev 1
- Chebyshev 2
- Elliptic
You can use them as:
- Lowpass
- Highpass
- Bandpass
- Stopband
Showing theirs features in frequency, phase and
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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.
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用Matlab实现的音频FIR滤波，提供音频文件实例，效果很好-Implemented using Matlab audio FIR filter, to provide examples of audio files with good results
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基础的音频处理matlab程序，设计巴特沃斯低通数字滤波器实现滤波。-Matlab-based audio processing procedures, Butterworth low-pass digital filter designed to achieve the filtering.
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基于MATLAB的声音过滤器，可手动对各频段的声音进行过滤选择。-MATLAB-based audio filter that can be manually voices of each band filter options.
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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
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录制一段个人的语音信号，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，采用双线性变换法和窗函数法设计滤波器，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；最后，设计一个信号处理系统界面。-Record a personal voice signal, and recording the signal is sampled draw sampled
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audio filter,fft,dft,pole zero plot,gui,dsp signal operations
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matlab滤波器,里面有三个方法滤波，用来滤波音频文件的-matlab filter, there are three ways to filter, for filtering the audio file
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Matlab对语音信号进行频谱分析及滤波.-Matlab Audio Filter.
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An equilizer using digital filter in matlab
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利用matlab将自己的录好的音频加入噪声后，在利用滤波器滤除噪声，回复原始音频(After using MATLAB to add its recorded audio to noise, the filter is used to filter the noise and restore the original audio.)
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