nix-conf/modules/audio/sennheiser-hd660s.nix

{ config, lib, ... }:

let cfg = config.jopejoe1.audio;
in {
  config = lib.mkIf cfg.sennheiser-hd-660s {
    services.pipewire = {
      extraConfig.pipewire."20-Senheiser-HD660S" = {
        "context.modules" = [{
          name = "libpipewire-module-filter-chain";
          args = {
            "node.description" = "Senheiser HD 660 S Equaliser";
            "media.name" = "Senheiser HD 660 S Equaliser";
            "filter.graph" = {
              nodes = [
                {
                  type = "builtin";
                  name = "eq_band_1";
                  label = "bq_highshelf";
                  control = {
                    "Freq" = 0.0;
                    "Q" = 1.0;
                    "Gain" = -6.4;
                  };
                }
                {
                  type = "builtin";
                  name = "eq_band_2";
                  label = "bq_lowshelf";
                  control = {
                    "Freq" = 105.0;
                    "Q" = 0.7;
                    "Gain" = 6.5;
                  };
                }
                {
                  type = "builtin";
                  name = "eq_band_3";
                  label = "bq_peaking";
                  control = {
                    "Freq" = 178.0;
                    "Q" = 0.49;
                    "Gain" = -3.2;
                  };
                }
                {
                  type = "builtin";
                  name = "eq_band_4";
                  label = "bq_peaking";
                  control = {
                    "Freq" = 1222.0;
                    "Q" = 2.34;
                    "Gain" = -2.3;
                  };
                }
                {
                  type = "builtin";
                  name = "eq_band_5";
                  label = "bq_peaking";
                  control = {
                    "Freq" = 5470.0;
                    "Q" = 4.4;
                    "Gain" = -7.3;
                  };
                }
                {
                  type = "builtin";
                  name = "eq_band_6";
                  label = "bq_peaking";
                  control = {
                    "Freq" = 7899.0;
                    "Q" = 0.68;
                    "Gain" = 6.5;
                  };
                }
                {
                  type = "builtin";
                  name = "eq_band_7";
                  label = "bq_peaking";
                  control = {
                    "Freq" = 784.0;
                    "Q" = 3.52;
                    "Gain" = -0.4;
                  };
                }
                {
                  type = "builtin";
                  name = "eq_band_8";
                  label = "bq_peaking";
                  control = {
                    "Freq" = 2250.0;
                    "Q" = 3.58;
                    "Gain" = 1.3;
                  };
                }
                {
                  type = "builtin";
                  name = "eq_band_9";
                  label = "bq_peaking";
                  control = {
                    "Freq" = 3380.0;
                    "Q" = 2.84;
                    "Gain" = -0.9;
                  };
                }
                {
                  type = "builtin";
                  name = "eq_band_10";
                  label = "bq_peaking";
                  control = {
                    "Freq" = 6701.0;
                    "Q" = 6.0;
                    "Gain" = 1.2;
                  };
                }
                {
                  type = "builtin";
                  name = "eq_band_11";
                  label = "bq_highshelf";
                  control = {
                    "Freq" = 10000.0;
                    "Q" = 0.7;
                    "Gain" = -1.1;
                  };
                }
              ];
              links = [
                {
                  output = "eq_band_1:Out";
                  input = "eq_band_2:In";
                }
                {
                  output = "eq_band_2:Out";
                  input = "eq_band_3:In";
                }
                {
                  output = "eq_band_3:Out";
                  input = "eq_band_4:In";
                }
                {
                  output = "eq_band_4:Out";
                  input = "eq_band_5:In";
                }
                {
                  output = "eq_band_5:Out";
                  input = "eq_band_6:In";
                }
                {
                  output = "eq_band_6:Out";
                  input = "eq_band_7:In";
                }
                {
                  output = "eq_band_7:Out";
                  input = "eq_band_8:In";
                }
                {
                  output = "eq_band_8:Out";
                  input = "eq_band_9:In";
                }
                {
                  output = "eq_band_9:Out";
                  input = "eq_band_10:In";
                }
                {
                  output = "eq_band_10:Out";
                  input = "eq_band_11:In";
                }
              ];
            };
            "audio.channels" = 2;
            "audio.position" = [ "FL" "FR" ];
            "capture.props" = {
              "node.name" = "effect_input.eq11";
              "media.class" = "Audio/Sink";
            };
            "playback.props" = {
              "node.name" = "effect_output.eq11";
              "node.passive" = true;
            };
          };
        }];
      };
    };
  };
}