Answer: equalising

AnswerCrossword Clue
equalisingCorrect or modify (a signal, etc.) with an equalizer
equalisingMake the same in quantity, size, or degree throughout a place or group
equalisingCompensate for by means of an equalizer
equalisingMake uniform in application or effect
equalisingBecome equal to a specified or standard level
equalisingEQUALISE, to make equal, also EQUALIZE