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Introduction 4 Problem 1 4 Problem 2 6 Problem 3 7 Problem 4 9 Problem 5 12 Discussion 13 Conclusion 14
Appendix 17 Abstract Noisy audio signals are relatively common and unavoidable. An important task of digital signal processing is to tackle this problem, so as to produce an almost, if not noiseless audio signal. One way of doing this is to use Finite Impulse Response (FIR) filters. Here we present our findings on different FIR filters, and their effects on an audio signal provided in the form of a sampled speech waveform. Some FIR filters ...