nixos-config/config/services/pipewire.nix

{ ... }: {
  services.pipewire = {
    enable = true;
    pulse.enable = true;
    jack.enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
  };
  security.rtkit.enable = true;
  hardware.pulseaudio.enable = false;
  xdg.portal = {
    enable = true;
    wlr.enable = true;
  };
  security.pam.loginLimits = [
    { domain = "@audio"; item = "memlock"; type = "-"; value = "unlimited"; }
    { domain = "@audio"; item = "rtprio"; type = "-"; value = "99"; }
    { domain = "@audio"; item = "nofile"; type = "soft"; value = "99999"; }
    { domain = "@audio"; item = "nofile"; type = "hard"; value = "99999"; }
  ];
  services.pipewire.config.pipewire."context.properties"."default.clock.rate" = 384000;
  services.pipewire.config.pipewire."context.properties"."default.clock.allowed-rates" = [
    44100
    48000
    88200
    96000
    176400
    192000
    352800
    384000
  ];
  services.pipewire.config.pipewire."context.properties"."default.clock.quantum" = 8192;
}