Set up pipewire low latency mode.

nodes/hosts/common/services/sound.nix

@@ -1,4 +1,13 @@
-{ ... }: {
+{ pkgs, inputs, ... }: {
+
+  imports = [
+    inputs.nix-gaming-stable-nixos.nixosModules.pipewireLowLatency
+  ];
+
+  hardware.pulseaudio = {
+    package = pkgs.pulseaudioFull;
+  };
+
   # Enable sound with pipewire.
   services.pulseaudio.enable = false;
   services.pipewire = {
@@ -6,9 +15,12 @@
     alsa.enable = true;
     alsa.support32Bit = true;
     pulse.enable = true;
+    wireplumber.enable = true;
     # If you want to use JACK applications, uncomment this
     jack.enable = true;
 
+    lowLatency.enable = true;
+
     # use the example session manager (no others are packaged yet so this is enabled by default,
     # no need to redefine it in your config for now)
     #media-session.enable = true;