hldj.org

First I'll say I'm no music editing expert but I believe you are incorrect when you say selecting the low pass filter will cut off frequency "below" said selection. I believe that it cuts off everything above and only leaves what is below. That's true. I just tried it. Use High Pass Filter if you ...

I'm getting this too. Solution I've found is to raise the speed of the original WAV by 100%. In Audacity, go to Effects, click Change Speed, then enter 100 in the Percent Change box.