====== using the filter curve EQ in Audacity ======

===== introduction =====

The filter curve is a convenient way to adjust the character of a sound by boosting or cutting frequencies.

===== text =====

https://manual.audacityteam.org/man/filter_curve_eq.html

===== video =====

brief: https://www.youtube.com/watch?v=_HGNjsqFjaI

detailed, useful!: https://www.youtube.com/watch?v=-WHZcpAQuXE