Dictionary:Cross-equalizing

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1. Filtering one channel to match the frequency spectrum of adjacent channels. The matching involves a phase shift as well as an adjustment of the amplitude of frequency components. Tends to align coherent events better but may increase short-period reverberations. 2. Filtering one data set to match the frequency spectrum and arrival times of another data set, as may be done with time-lapse sets in an effort to match regions that have not been changed.