echo 'defaults.pcm.rate_converter "speexrate_best"' | tee -a .asoundrc
sudo alsactl restore
sudo echo 'default-sample-format = s24le' | sudo tee -a /etc/pulse/daemon.conf
sudo echo 'default-sample-rate = 192000' | sudo tee -a /etc/pulse/daemon.conf
sudo echo 'resample-method = soxr-vhq' | sudo tee -a /etc/pulse/daemon.conf
pulseaudio -k; pulseaudio -D
A=432 Hz, known as Verdi’s ‘A’ is an alternative tuning that is mathematically consistent with the universe.
Sources:
- https://attunedvibrations.com/432hz/
- http://www.orangepi.org/orangepibbsen/forum.php?mod=viewthread&tid=2629
Required: ladspa-devel, ladspa-tap-plugins
Append to the end of ~/.asoundrc:
pcm.ladspa {
type ladspa
slave.pcm "hw:0,0";
path "/usr/lib64/ladspa";
plugins [{
label tap_pitch
input {
controls [ -0.317667 0 -90 0 ]
}
}]
}
Reload ALSA
sudo alsactl restore
Comment out these lines in /etc/pulse/default.pa:
.ifexists module-udev-detect.so
load-module module-udev-detect
.else
load-module module-detect
.endif
Append to the end of /etc/pulse/default.pa:
load-module module-alsa-sink device=hw:0,0
.ifexists module-ladspa-sink.so
.nofail
load-module module-ladspa-sink sink_name=ladspa_out master=alsa_output.hw_0_0 plugin=tap_pitch label=tap_pitch control=-0.317667,0,-90,0
.fail
.endif
Restart pulseaudio
pulseaudio -k; pulseaudio -D
Ziyad's Perfect EQ (included in pulseeffects): https://www.ziyadnazem.com/post/956431457/the-perfect-eq-settings-unmasking-the-eq
Arch Linux: yaourt -S pulseeffects calf
Others: pulseaudio-equalizer-ladspa, pulseaudio-equalizer, pulseeffects, qpaeq, alsaequal
I'm not able to try this right now, if you want to experiment with it, I'd suggest using something like PulseEffects which displays your current audio quality and is able to view sound frequencies.
Also I wish to add this from my experiences: