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thanks for the reply , here is exactly what i have to do :
i have to add noise to a wav file , then remove it by removing the frequency at 1kHz . using a notch filter in matlab.
so i have to write a code for that , but i cant use the built in notch function. must write the code "logic" behind it...
hello everyone , i need help please , i need to write a matlab code that reads an audio file and removes the noise at frequency of 1000 hz.
the noise must be also added manualy in matlab code. after that filter it.
the frequency response can be designed in the form (1 - exp...)(1 - exp...)...
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