tested on focal
apt install cdparanoia lame
cdparanoia -vsQ cdparanoia -B
lame --help lame --longhelp lame --preset help mkdir -p dist/ for track in *.wav; do lame -V 0 --lowpass -1 --highpass -1 -Y $track ${track%\.cdda\.wav}.mp3 \ && mv -i $track dist/ echo done; unset track
apt install mpg123 jackd2
as user
jack_control start mpg123 -v *.mp3
https://www.cyberciti.biz/faq/linux-ripping-and-encoding-audio-files/
https://www.linuxunderground.be/lame.html
https://forums.afterdawn.com/threads/disabling-lowpass-filter-in-lame.286936/
https://hydrogenaud.io/index.php?topic=108605.0
https://sound.stackexchange.com/questions/38109/lame-why-is-a-lowpass-filter-used-with-preset-insane
https://hydrogenaud.io/index.php?topic=90808.0
https://www.reddit.com/r/audioengineering/comments/afmag7/does_mp3_cut_low_frequencies_20hz/
https://wiki.hydrogenaud.io/index.php?title=LAME_Y_switch