If you want more pain, you can correct for wow and flutter after capturing. https://github.com/HENDRIX-ZT2/pyaudiorestoration https://github.com/HENDRIX-ZT2/py

If you want more pain, you can correct for wow and flutter after capturing. https://github.com/HENDRIX-ZT2/pyaudiorestoration https://github.com/HENDRIX-ZT2/pyaudiorestoration Key IMHO is "Speed matching to hum frequency". There are also commercial products which does similar things. https://www.celemony.com/en/capstan https://www.celemony.com/en/capstan https://forum.audacityteam.org/t/digitizing-tapes/62996/2 https://forum.audacityteam.org/t/digitizing-tapes/62996/2