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Use the MATLAB programs provided in Section 7.11 to design the following FIR filters. 7.26 Design a 41-tap lowpass FIR filter whose cutoff frequency is 1,600 Hz using the following window functions. Assume that the sampling frequency is 8,000 Hz. a. rectangular window function b. triangular window function c. Hanning window function d. Hamming window function e. Blackman window function List the FIR filter coefficients and plot the frequency responses for each case. Gain H Tweeter The crossover passes high frequencies Highpass filter Digital audio x(n) Gain_L Woofer: The crossover passes low frequencies Lowpass filter FIGURE 7.45 Two-band crossover in Problem 7.25 Use the MATLAB programs provided in Section 7.11 to design the following FIR filters. 7.26 Design a 41-tap lowpass FIR filter whose cutoff frequency is 1,600 Hz using the following window functions. Assume that the sampling frequency is 8,000 Hz. a. rectangular window function b. triangular window function c. Hanning window function d. Hamming window function e. Blackman window function List the FIR filter coefficients and plot the frequency responses for each case. Gain H Tweeter The crossover passes high frequencies Highpass filter Digital audio x(n) Gain_L Woofer: The crossover passes low frequencies Lowpass filter FIGURE 7.45 Two-band crossover in Problem 7.25