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Assume we want to compute an N-point FFT of an x(n) audio signal from a compact disc (CD), with the FFT'S output frequency-domain sample spacing

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Assume we want to compute an N-point FFT of an x(n) audio signal from a compact disc (CD), with the FFT'S output frequency-domain sample spacing no greater than 1 Hz. If x(n)'s sample rate is fs = 44.1 kHz, what is the number of necessary time samples, N, applied to the FFT

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