Audacity Forum

I found that I should first Normalize the track to eliminate DC offset only. (I have been using an old Philips SA 261 to record, it's not perfect.) Then selecting the section with the thump, keeping the selection points where the waveform crosses the zero point. Then apply High Pass Filter. For thes...

I am trying to minimize a thump caused by a flaw in the vinyl of a record, the best setting I could find was High Pass Filter 250-300 Hz -12 dB, with the shortest possible selection. Repair is no use here, because the artifacts are ~15 msec. long. Larger flaws might require a lower frequency setting.

I have tried applying the high pass filter to the thump. It helps, but does not cure it. I will try some more settings...