High-Pass Filter (HPF)
A high-pass filter is an EQ curve that is used to remove low-frequency sounds from an audio signal.
https://www.youtube.com/watch?app=desktop&v=lagfhNjMuQM&ab_channel=TheOrganicChemistryTutor
I briefly saw this in CS370 when looking at Fourier Transform.
- Yes, you work in frequency domain, and just remove the low frequency values