Question: I NEED THE MATLAB CODE PLEASE Design a Discrete Time Low Pass Filter for a signal. Butterworth Filter. Chebeyshev Filter The specifications are:(Voice Signal) 1)
I NEED THE MATLAB CODE PLEASE

Design a Discrete Time Low Pass Filter for a signal. Butterworth Filter. Chebeyshev Filter The specifications are:(Voice Signal) 1) Passband Fp=4kHz, with 0.2dB ripple; Stopband FS=4.5kHz, with 45dB ripple. Sampling Frequency Fs =22kHz. (Use For Both Filters)
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