From eaf046a7822c8981cbde1cee3049aa04c41fc589 Mon Sep 17 00:00:00 2001
From: Sanchayan Maity <sanchayan@sanchayanmaity.net>
Date: Fri, 2 Feb 2024 15:05:06 +0530
Subject: [PATCH] pipewire: Use noise suppression for voice

---
 .../pipewire.conf.d/input-denoising.conf      | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 pipewire/.config/pipewire/pipewire.conf.d/input-denoising.conf

diff --git a/pipewire/.config/pipewire/pipewire.conf.d/input-denoising.conf b/pipewire/.config/pipewire/pipewire.conf.d/input-denoising.conf
new file mode 100644
index 0000000..8446a24
--- /dev/null
+++ b/pipewire/.config/pipewire/pipewire.conf.d/input-denoising.conf
@@ -0,0 +1,33 @@
+context.modules = [
+    {   name = libpipewire-module-filter-chain
+        args = {
+            node.description = "Noise Canceling Source"
+            media.name = "Noise Canceling Source"
+            filter.graph = {
+                nodes = [
+                    {
+                        type = ladspa
+                        name = rnnoise
+                        plugin = /usr/lib/ladspa/librnnoise_ladspa.so
+                        label = noise_suppressor_mono
+                        control = {
+                            "VAD Threshold (%)" = 50.0
+                            "VAD Grace Period (ms)" = 200
+                            "Retroactive VAD Grace (ms)" = 0
+                        }
+                    }
+                ]
+            }
+            capture.props = {
+                node.name =  "capture.rnnoise_source"
+                node.passive = true
+                audio.rate = 48000
+            }
+            playback.props = {
+                node.name =  "rnnoise_source"
+                media.class = Audio/Source
+                audio.rate = 48000
+            }
+        }
+    }
+]