I've tried the configures on freedesktop.org for
audiophile.
Code:
cat ~/.config/pulse/daemon.conf
default-sample-format = s32le
default-sample-rate = 96000
resample-method = speex-float-5
resample-method = src-sinc-best-quality
A Slackbuild queue list of PulseEffects for Slackware can be found at this forum,
https://www.linuxquestions.org/quest...ml#post6158380.
Also, the
AutoEq ParametricEQ.txt for many headphones can be applied to PulseEffects.