Description: matlab去除50hz噪声。
我用电脑录了一段声音，里面有50hz的周期噪声（因为受交流电干扰）。而我自己的声音频率最低是90hz。我使用了一个10阶butterworth高通滤波器，边带是70hz(介于50跟90之间)。
问题是，这不能直接用。因为声音文件的采样率是22k，70相对于22k来说太小了。所以我得先把我的声音欠采样，然后再滤波，然后再插值。-matlab remove 50hz noise. I used the computer recorded a voice, there are 50hz cycle noise (due to AC interference). I own voice is the lowest frequency of 90hz. I use a 10-order Butterworth high-pass filter, edge belt is 70hz (the range between 50 to 90). The problem is that this can not be directly used. Because the sound files of the sampling rate is 22k, 70 compared with the 22k run too small. So I have to put my voice due to sampling, and then filtering, and then interpolation. Platform: |
Size: 6144 |
Author:张文斌 |
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Description: 能有效的去除纯净语音中加入的噪声，效果不错。-Can effectively remove the pure voice added to the noise, good results. Platform: |
Size: 417792 |
Author:小颖 |
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Description: 该程序是卡曼滤波法在语音处理上的应用,能有效的去除噪声,达到语音增强的目的!-The program is Kaman filtering method in the voice processing application, can effectively remove the noise, to achieve the purpose of speech enhancement! Platform: |
Size: 1024 |
Author:zhjuna |
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Description: 语音增强,可以用于对带噪声语音进行处理,去除噪声-Speech enhancement, can be used to bring the noise of voice processing to remove noise Platform: |
Size: 364544 |
Author:李娜 |
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Description: 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 Platform: |
Size: 1156096 |
Author:xlp |
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Description: voice) is the target signal and the
second one (woman s voice) is the interfering speaker. To contrast the
effects of an interference speaker (non-stationary noise) with a white
noise inference (stationary noise/constant power) a white noise signal
is also used. These signals are then scaled (varying SNR) to illustrate
Good intelligibility (~.6), barely intelligible (~.2), and unintelligible
(.1).
The output of the script plots the Speech intelligibility Index for 100 ms
windows over the speech signal, and displays the computed mean and standard
deviation of SII (for active speech, silence intervals were excluded).
Users can change the envelope threshold which is used to remove the
Functions required from Array Toolbox
1. intel.m
2. spectrumlevel.m
3. sii.m
4. rmsilence.m
2 Data Files required
Written by Arulkumaran Muthukumarasamy (arulkumaran@uky.edu) July 2008-voice) is the target signal and the
second one (woman s voice) is the interfering speaker. To contrast the
effects of an interference speaker (non-stationary noise) with a white
noise inference (stationary noise/constant power) a white noise signal
is also used. These signals are then scaled (varying SNR) to illustrate
Good intelligibility (~.6), barely intelligible (~.2), and unintelligible
(.1).
The output of the script plots the Speech intelligibility Index for 100 ms
windows over the speech signal, and displays the computed mean and standard
deviation of SII (for active speech, silence intervals were excluded).
Users can change the envelope threshold which is used to remove the
Functions required from Array Toolbox
1. intel.m
2. spectrumlevel.m
3. sii.m
4. rmsilence.m
2 Data Files required
Written by Arulkumaran Muthukumarasamy (arulkumaran@uky.edu) July 2008 Platform: |
Size: 2048 |
Author:tunaram |
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Description: 噪声滤波去除程序，附带处理好的语音信号。收藏下-Noise filtering to remove the program, incidental to deal with a good voice signal. Collection under Platform: |
Size: 118784 |
Author:zhangerpiao |
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Description: 该程序是卡曼滤波法在语音处理上的应用用,能有效的去除噪声,达到语音增强的目的!
-The program is the Kalman filter on the voice processing applications, can effectively remove the noise, to achieve the purpose of speech enhancement Platform: |
Size: 1024 |
Author:xlli |
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Description: 谱减法去除语音噪声的c语言程序源码1。。。。效果还能 。推荐大家下载。-C language program, spectral subtraction to remove the voice noise source. . . . The effect also. Recommend you to download. Can be used directly. Platform: |
Size: 7168 |
Author:xiairejin |
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Description: 给一段1s声音，添加入噪声，输出，然后去除噪声，输出-add noise to a 1s-length voice,excute it ,and remove the noise,and excute it Platform: |
Size: 31744 |
Author:田绍宏 |
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Description: 在现场直播节目的录制过程中，经常会由于现场录制工作人员的操作不当，会使MIC中串入交流干扰，从而造成语音信号的采集过程中的噪声干扰。语音降噪是针对噪声问题的一种有效的处理技术，它的目的就是为了消除噪声的影响，提高语音清晰度、改善语音的质量。-During recording, live programs, often as a result of improper handling live recording of staff, will MIC in series AC interference, resulting in the acquisition process of the speech signal noise interference. Noise reduction is an effective voice processing technology for noise problems, its purpose is to eliminate the effects of noise and improve voice clarity, improve the quality of voice. Platform: |
Size: 3261440 |
Author:杨洋 |
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Description: 数字信号处理实践课程作业，输入一段语音，加上噪声，用滤波器去除噪声，观察时域波形和频谱的变化-Digital Signal Processing course practice, input a voice, add noise , use filter to remove the noise, observe the change of the time-domain waveform and spectrum. Platform: |
Size: 1024 |
Author:孙启梦 |
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Description: 谱减法语音增强的仿真实现：读取语音文件，产生随机白噪声，将两者联合起来，加入汉明窗，帧间重叠50 ，短时FFT，短时相位谱，频域中合成语音，短时IFFT并各帧重叠相加，去除汉明窗引起的增益，最后得到增强后的语音。-Spectral subtraction speech enhancement Simulation: reading voice files, generate random white noise, the two unite Jiaruhanming window, 50 overlap between frames, short FFT, short-term phase spectrum, frequency domain speech synthesis, short IFFT and overlap-add each frame to remove gain caused Hamming window, and finally obtain the enhanced speech. Platform: |
Size: 35840 |
Author:余旭 |
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Description: matlab实现的基于小波变化的语音去噪源码，可以去除语音中的背景噪声。-Matlab based on the wavelet changes in the voice de-noising source, you can remove the background noise in the voice. Platform: |
Size: 1024 |
Author:myzhuce |
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Description: 通过设计数字滤波器，实现对语音信号的检测去除噪声，加深对数字滤波器设计理解(Through the design of digital filters, to achieve the detection of voice signals to remove noise, deepen the understanding of digital filter design) Platform: |
Size: 2048 |
Author:Ashley-d
|
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Description: 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, and then the spectrum analysis.) Platform: |
Size: 3072 |
Author:321手背后
|
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