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Come up with a use for an adaptive FIR filter and make an Octave script to demonstrate it

An adaptive FIR filter has many uses in real life. One of them is for noise cancelling in an airplane or helicopter where there is a lot of noise coming from the rotors or turbines and the pilot and copilot need to communicate with each other. This filter will be used for the headphones they will use. The code used in class is available in the Signals & Systems list.