From e24d85da5618d099e15046e9406eaac47fa5efad Mon Sep 17 00:00:00 2001
From: moons <moons@moons14.com>
Date: Wed, 5 Aug 2026 02:10:48 +0900
Subject: [PATCH] echo cancel

---
 modules/systems/audio/nixos.nix | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/modules/systems/audio/nixos.nix b/modules/systems/audio/nixos.nix
index 5ee28dc..3613dca 100644
--- a/modules/systems/audio/nixos.nix
+++ b/modules/systems/audio/nixos.nix
@@ -21,5 +21,29 @@ in
     pulse.enable = true;
     jack.enable = true;
     wireplumber.enable = true;
+
+    extraConfig.pipewire."90-echo-cancel.conf" = {
+      "context.modules" = [
+        {
+          name = "libpipewire-module-echo-cancel";
+
+          args = {
+            "library.name" = "aec/libspa-aec-webrtc";
+
+            "monitor.mode" = true;
+
+            "capture.props" = {
+              "node.name" = "echo_cancel_capture";
+              "node.description" = "Echo Cancel Capture";
+            };
+
+            "source.props" = {
+              "node.name" = "echo_cancel_source";
+              "node.description" = "Echo Cancelled Microphone";
+            };
+          };
+        }
+      ];
+    };
   };
 }