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diff --git a/configs/shared/.emacs.d/wpc/pulse-audio.el b/configs/shared/.emacs.d/wpc/pulse-audio.el
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+++ b/configs/shared/.emacs.d/wpc/pulse-audio.el
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+;;; pulse-audio.el --- Control audio with Elisp -*- lexical-binding: t -*-
+;; Author: William Carroll <wpcarro@gmail.com>
+
+;;; Commentary:
+;; Because everything in my configuration is turning into Elisp these days.
+
+;;; Code:
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Constants
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(defconst pulse-audio/install-kbds? t
+  "When t, install keybindings defined herein.")
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Library
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(defun pulse-audio/toggle-mute ()
+  "Mute the default sink."
+  (interactive)
+  (shell-command "pactl set-sink-mute @DEFAULT_SINK@ toggle")
+  (message (string/format "[pulse-audio.el] Mute toggled.")))
+
+(defun pulse-audio/lower-volume ()
+  "Low the volume output of the default sink."
+  (interactive)
+  (shell-command "pactl set-sink-volume @DEFAULT_SINK@ -10%")
+  (message (string/format "[pulse-audio.el] Volume lowered.")))
+
+(defun pulse-audio/raise-volume ()
+  "Raise the volume output of the default sink."
+  (interactive)
+  (shell-command "pactl set-sink-volume @DEFAULT_SINK@ +10%")
+  (message (string/format "[pulse-audio.el] Volume raised.")))
+
+
+(when pulse-audio/install-kbds?
+  (exwm-input-set-key
+   (kbd "<XF86AudioMute>") #'pulse-audio/toggle-mute)
+  (exwm-input-set-key
+   (kbd "<XF86AudioLowerVolume>") #'pulse-audio/lower-volume)
+  (exwm-input-set-key
+   (kbd "<XF86AudioRaiseVolume>") #'pulse-audio/raise-volume))
+
+(provide 'pulse-audio)
+;;; pulse-audio.el ends here