A speech signal with bandwidth B = 10 kHz is sampled at Suppose that the signal is corrupted by four sinusoids with frequencies
(a) Design a FIR filter that eliminates these frequency components.
(b) Choose the gain of the filter so that and then plot the log magnitude response and the phase response of the filter.
(c) Does the filter fulfill your objectives? Do you recommend the use of this filter in a practical application?
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