Noise Reduction using MATLAB wavelet toolbox
2016-08-23
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the basic of noise reduction using wavelet
by
1) First define the time interval K and angular frequency W.
2) Define a variable H which represents the argument of
sine function ,
3) Read audio signal using WAVREAD command and define it
x. obtain x1 in terms of vector form of x .sample x1 to get x2,
Where x2 will be the original signal.
4) Add white Gaussian noise to the original signal to generate
Y defining SNR ratio.
5) Use WAVWRITE command to listen to audio signal y
6) Define the wavelet name and level which you intend to use.<
matlab
利用
工具箱
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