In signal processing, delay equalization corresponds to adjusting the relative phases of different frequencies to achieve a constant group delay, using by adding an all-pass filter in series with an uncompensated filter.[1] Clever machine-learning techniques are now being applied to the design of such filters.[2]
References
^Quélhas, MF; Petraglia A (2003). Group Delay Equalization of Discrete-Time Filters. 924–927.
^Žiška, P; Laipert M (2006). "Band-pass Filter Group delay equalization". Proceedings of the 38th Symposium on Systems Theory: 289–293.
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