Audacity Forum

I'll tried the Noise Reduction Effect but not only the crackling sound is less but also the motorsound of the camper. I meant to get rid of the ticks/crackling(higher frequens) what is superimposed at the sound of the motor

I am new at this forum and not so familiar with Audacity (vs 2.4.2) and my english is not so good. My problem is the records, i made in the past, gave disturbing crackling in a regular way. Someone told me to use Audacity to filter these cracling out. I have tried several effects but have no idea wh...