Ripping an Album with Audacity

Process to far

1. normalize
2. noise removal
3. click removal

reference:

http://manual.audacityteam.org/man/sample_workflow_for_lp_digitization.html

removing hight pitched squeel

https://www.youtube.com/watch?v=Rh62itfhmV4

1. select all

2. analyse -> plot spectrum

trial and error process, find a peak, not it's frequency 10902Hz

then efect -> notch filter frequency = 10902 , then bottom slider all the way to 20