added pipewire and pulseaudio to system

settings.nix

@@ -99,4 +99,16 @@ with import <nixpkgs> {}; {
         prismlauncher = true;
         steam = true;
     };
+
+    sound = {
+        pipewire = {
+            enable = true;
+            alsa = true;
+            pulse = true;
+            jack = true;
+        };
+        pulseaudio = {
+            enable = false;
+        };
+    };
 }

system/default.nix

@@ -1,7 +1,12 @@
+{ lib, ... }:
+let
+    settings = import ./../settings.nix;
+in
 {
     imports = [
         ./grub.nix
         ./kernel.nix
         ./networking.nix
-    ];
+    ] ++ lib.optionals settings.sound.pipewire.enable [ ./pipewire.nix ]
+    ++ lib.optionals settings.sound.pulseaudio.enable [ ./pulseaudio.nix ];
 }

system/pipewire.nix

@@ -0,0 +1,22 @@
+{ pkgs, lib, ... }:
+let
+    settings = import ./../settings.nix;
+in
+{
+    # Remove sound.enable or set it to false if you had it set previously, as sound.enable is only meant for ALSA-based configurations
+    sound.enable = false;
+
+    # rtkit is optional but recommended
+    security.rtkit.enable = true;
+
+    services.pipewire = {
+        enable = settings.sound.pipewire.enable;
+        audio.enable = settings.sound.pipewire.enable;
+        pulse.enable = settings.sound.pipewire.pulse;
+        jack.enable = settings.sound.pipewire.jack;
+        alsa = {
+            enable = settings.sound.pipewire.alsa;
+            support32Bit = true;
+        };
+    };
+}

system/pulseaudio.nix

@@ -0,0 +1,8 @@
+{ pkgs, lib, ... }:
+let
+    settings = import ./../settings.nix;
+in
+{
+    hardware.pulseaudio.enable = true;
+    hardware.pulseaudio.support32Bit = true;    ## If compatibility with 32-bit applications is desired.
+}