From 6b82ea259c08a02c959567d88c98e3e2ab6cc778 Mon Sep 17 00:00:00 2001
From: SirBlob <adithcool.5@gmail.com>
Date: Sat, 10 Oct 2026 23:11:31 -0400
Subject: [PATCH] Add a noise suppressed microphone

---
 .../50-blob-noise-suppression.conf            | 35 +++++++++++++++++++
 docs/install.md                               |  7 +++-
 packages/blob.packages                        |  1 +
 uninstall.sh                                  |  2 +-
 4 files changed, 43 insertions(+), 2 deletions(-)
 create mode 100644 config/pipewire/pipewire.conf.d/50-blob-noise-suppression.conf

diff --git a/config/pipewire/pipewire.conf.d/50-blob-noise-suppression.conf b/config/pipewire/pipewire.conf.d/50-blob-noise-suppression.conf
new file mode 100644
index 0000000..8d20e48
--- /dev/null
+++ b/config/pipewire/pipewire.conf.d/50-blob-noise-suppression.conf
@@ -0,0 +1,35 @@
+context.modules = [
+  {
+    name = libpipewire-module-filter-chain
+    flags = [ nofail ]
+    args = {
+      node.description = "Noise Suppressed Microphone"
+      media.name = "Noise Suppressed Microphone"
+      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.blob_noise_suppression"
+        node.passive = true
+        audio.rate = 48000
+      }
+      playback.props = {
+        node.name = "blob_noise_suppression"
+        media.class = Audio/Source
+        audio.rate = 48000
+      }
+    }
+  }
+]
diff --git a/docs/install.md b/docs/install.md
index 010fcc7..5fd2ed6 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -53,7 +53,12 @@ with `--check`.
    resolves cannot cost you the other hundred and the config, service and login
    steps below. See [packages.md](packages.md).
 4. **Config** is copied into `~/.config`: `hypr/`, the themed app configs,
-   `blob/shell.json`, the uwsm environment, and `fontconfig/fonts.conf`. A
+   `blob/shell.json`, the uwsm environment, `fontconfig/fonts.conf`, and
+   `pipewire/pipewire.conf.d/50-blob-noise-suppression.conf`. That last file
+   adds a "Noise Suppressed Microphone" input, which runs the default
+   microphone through RNNoise from `noise-suppression-for-voice`; PipeWire
+   loads it at its next start, and apps use it when it is picked as their
+   input. A
    leftover Omarchy icon font in `~/.local/share/fonts` is removed, and the
    font cache is refreshed. The shell draws every icon as a Nerd Font glyph in
    the `monospace` family, and on a fresh Arch install
diff --git a/packages/blob.packages b/packages/blob.packages
index bfa12e0..761257a 100644
--- a/packages/blob.packages
+++ b/packages/blob.packages
@@ -56,6 +56,7 @@ pipewire-pulse
 wireplumber
 alsa-utils
 lsp-plugins-lv2
+noise-suppression-for-voice
 
 # Power and thermals
 power-profiles-daemon
diff --git a/uninstall.sh b/uninstall.sh
index 149cff3..59b9f83 100755
--- a/uninstall.sh
+++ b/uninstall.sh
@@ -107,7 +107,7 @@ if [[ -L $HOME/wallpapers ]]; then
   say "remove  ~/wallpapers symlink"
 fi
 
-for relative in blob/shell.json uwsm/default uwsm/env.d/10-blob; do
+for relative in blob/shell.json uwsm/default uwsm/env.d/10-blob pipewire/pipewire.conf.d/50-blob-noise-suppression.conf; do
   restore_or_remove "$config_dir/$relative" "$relative"
 done