diff --git a/sound/reset-sound.rb b/sound/reset-sound.rb
new file mode 100755
index 0000000..d92c2b7
--- /dev/null
+++ b/sound/reset-sound.rb
@@ -0,0 +1,227 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -p ruby alsaUtils -i ruby
+
+# This script resets the sound state to the minimum required for it to work.
+# It will set the control that pulseaudio uses to 20%, everything else to the
+# level expected for it to work. The rest will be off or to their default.
+
+require "open3"
+require "shellwords"
+
+def run(*cmd)
+  puts " $ #{cmd.shelljoin}"
+  system(*cmd)
+end
+
+FINAL_STATE = {
+  ## Simple mixer control 'Headphone',0
+  ##   Capabilities: pvolume
+  ##   Playback channels: Front Left - Front Right
+  ##   Limits: Playback 0 - 3
+  ##   Mono:
+  ##   Front Left: Playback 0 [0%] [-48.00dB]
+  ##   Front Right: Playback 0 [0%] [-48.00dB]
+  "Headphone,0" => "20%",
+  ## Simple mixer control 'Headphone Mixer',0
+  ##   Capabilities: volume
+  ##   Playback channels: Front Left - Front Right
+  ##   Capture channels: Front Left - Front Right
+  ##   Limits: 0 - 11
+  ##   Front Left: 0 [0%] [-12.00dB]
+  ##   Front Right: 0 [0%] [-12.00dB]
+  "Headphone Mixer,0" => "0",
+  ## Simple mixer control 'Mic Boost',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [on]
+  "Mic Boost,0" => "off",
+  ## Simple mixer control 'Playback Polarity',0
+  ##   Capabilities: enum
+  ##   Items: 'Normal' 'R Invert' 'L Invert' 'L + R Invert'
+  ##   Item0: 'Normal'
+  "Playback Polarity,0" => "L Invert",
+  ## Simple mixer control 'Capture Polarity',0
+  ##   Capabilities: enum
+  ##   Items: 'Normal' 'Invert'
+  ##   Item0: 'Normal'
+  "Capture Polarity,0" => "Normal",
+  ## Simple mixer control 'ADC',0
+  ##   Capabilities: cvolume cvolume-joined
+  ##   Capture channels: Mono
+  ##   Limits: Capture 0 - 192
+  ##   Mono: Capture 0 [0%] [-99999.99dB]
+  "ADC,0" => "0",
+  ## Simple mixer control 'ADC Double Fs',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [off]
+  "ADC Double Fs,0" => "off",
+  ## Simple mixer control 'ADC PGA Gain',0
+  ##   Capabilities: volume volume-joined
+  ##   Playback channels: Mono
+  ##   Capture channels: Mono
+  ##   Limits: 0 - 10
+  ##   Mono: 0 [0%]
+  "ADC PGA Gain,0" => "0",
+  ## Simple mixer control 'ADC Soft Ramp',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [on]
+  "ADC Soft Ramp,0" => "on",
+  ## Simple mixer control 'ALC',0
+  ##   Capabilities: cswitch cswitch-joined
+  ##   Capture channels: Mono
+  ##   Mono: Capture [off]
+  "ALC,0" => "nocap",
+  ## Simple mixer control 'ALC Capture Attack Time',0
+  ##   Capabilities: volume volume-joined
+  ##   Playback channels: Mono
+  ##   Capture channels: Mono
+  ##   Limits: 0 - 10
+  ##   Mono: 0 [0%]
+  "ALC Capture Attack Time,0" => "0",
+  ## Simple mixer control 'ALC Capture Decay Time',0
+  ##   Capabilities: volume volume-joined
+  ##   Playback channels: Mono
+  ##   Capture channels: Mono
+  ##   Limits: 0 - 10
+  ##   Mono: 0 [0%]
+  "ALC Capture Decay Time,0" => "0",
+  ## Simple mixer control 'ALC Capture Hold Time',0
+  ##   Capabilities: volume volume-joined
+  ##   Playback channels: Mono
+  ##   Capture channels: Mono
+  ##   Limits: 0 - 10
+  ##   Mono: 0 [0%]
+  "ALC Capture Hold Time,0" => "0",
+  ## Simple mixer control 'ALC Capture Max',0
+  ##   Capabilities: volume volume-joined
+  ##   Playback channels: Mono
+  ##   Capture channels: Mono
+  ##   Limits: 0 - 28
+  ##   Mono: 0 [0%] [-6.50dB]
+  "ALC Capture Max,0" => "0",
+  ## Simple mixer control 'ALC Capture Min',0
+  ##   Capabilities: volume volume-joined
+  ##   Playback channels: Mono
+  ##   Capture channels: Mono
+  ##   Limits: 0 - 28
+  ##   Mono: 0 [0%] [-12.00dB]
+  "ALC Capture Min,0" => "0",
+  ## Simple mixer control 'ALC Capture Noise Gate',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [off]
+  "ALC Capture Noise Gate,0" => "off",
+  ## Simple mixer control 'ALC Capture Noise Gate Threshold',0
+  ##   Capabilities: volume volume-joined
+  ##   Playback channels: Mono
+  ##   Capture channels: Mono
+  ##   Limits: 0 - 31
+  ##   Mono: 0 [0%]
+  "ALC Capture Noise Gate Threshold,0" => "0",
+  ## Simple mixer control 'ALC Capture Noise Gate Type',0
+  ##   Capabilities: enum
+  ##   Items: 'Constant PGA Gain' 'Mute ADC Output'
+  ##   Item0: 'Constant PGA Gain'
+  "ALC Capture Noise Gate Type,0" => "Constant PGA Gain",
+  ## Simple mixer control 'ALC Capture Target',0
+  ##   Capabilities: volume volume-joined
+  ##   Playback channels: Mono
+  ##   Capture channels: Mono
+  ##   Limits: 0 - 10
+  ##   Mono: 0 [0%] [-16.50dB]
+  "ALC Capture Target,0" => "0",
+  ## Simple mixer control 'DAC',0
+  ##   Capabilities: pvolume
+  ##   Playback channels: Front Left - Front Right
+  ##   Limits: Playback 0 - 192
+  ##   Mono:
+  ##   Front Left: Playback 0 [0%] [-99999.99dB]
+  ##   Front Right: Playback 0 [0%] [-99999.99dB]
+  "DAC,0" => "100%",
+  ## Simple mixer control 'DAC Double Fs',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [off]
+  "DAC Double Fs,0" => "off",
+  ## Simple mixer control 'DAC Mono Mix',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [off]
+  "DAC Mono Mix,0" => "off",
+  ## Simple mixer control 'DAC Notch Filter',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [off]
+  "DAC Notch Filter,0" => "off",
+  ## Simple mixer control 'DAC Soft Ramp',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [on]
+  "DAC Soft Ramp,0" => "on",
+  ## Simple mixer control 'DAC Soft Ramp Rate',0
+  ##   Capabilities: volume volume-joined
+  ##   Playback channels: Mono
+  ##   Capture channels: Mono
+  ##   Limits: 0 - 4
+  ##   Mono: 0 [0%]
+  "DAC Soft Ramp Rate,0" => "0",
+  ## Simple mixer control 'DAC Source Mux',0
+  ##   Capabilities: enum
+  ##   Items: 'LDATA TO LDAC, RDATA TO RDAC' 'LDATA TO LDAC, LDATA TO RDAC' 'RDATA TO LDAC, RDATA TO RDAC' 'RDATA TO LDAC, LDATA TO RDAC'
+  ##   Item0: 'LDATA TO LDAC, RDATA TO RDAC'
+  "DAC Source Mux,0" => "LDATA TO LDAC, RDATA TO RDAC",
+  ## Simple mixer control 'DAC Stereo Enhancement',0
+  ##   Capabilities: volume volume-joined
+  ##   Playback channels: Mono
+  ##   Capture channels: Mono
+  ##   Limits: 0 - 7
+  ##   Mono: 0 [0%]
+  "DAC Stereo Enhancement,0" => "0",
+  ## Simple mixer control 'Differential Mux',0
+  ##   Capabilities: enum
+  ##   Items: 'lin1-rin1' 'lin2-rin2' 'lin1-rin1 with 20db Boost' 'lin2-rin2 with 20db Boost'
+  ##   Item0: 'lin1-rin1'
+  "Differential Mux,0" => "lin1-rin1",
+  ## Simple mixer control 'Digital Mic Mux',0
+  ##   Capabilities: enum
+  ##   Items: 'dmic disable' 'dmic data at high level' 'dmic data at low level'
+  ##   Item0: 'dmic disable'
+  "Digital Mic Mux,0" => "dmic disable",
+  ## Simple mixer control 'Left Headphone Mixer LLIN',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [off]
+  "Left Headphone Mixer LLIN,0" => "off",
+  ## Simple mixer control 'Left Headphone Mixer Left DAC',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [off]
+  "Left Headphone Mixer Left DAC,0" => "on",
+  ## Simple mixer control 'Left Headphone Mux',0
+  ##   Capabilities: enum
+  ##   Items: 'lin1-rin1' 'lin2-rin2' 'lin-rin with Boost' 'lin-rin with Boost and PGA'
+  ##   Item0: 'lin1-rin1'
+  "Left Headphone Mux,0" => "lin1-rin1",
+  ## Simple mixer control 'Right Headphone Mixer RLIN',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [off]
+  "Right Headphone Mixer RLIN,0" => "off",
+  ## Simple mixer control 'Right Headphone Mixer Right DAC',0
+  ##   Capabilities: pswitch pswitch-joined
+  ##   Playback channels: Mono
+  ##   Mono: Playback [off]
+  "Right Headphone Mixer Right DAC,0" => "on",
+  ## Simple mixer control 'Right Headphone Mux',0
+  ##   Capabilities: enum
+  ##   Items: 'lin1-rin1' 'lin2-rin2' 'lin-rin with Boost' 'lin-rin with Boost and PGA'
+  ##   Item0: 'lin1-rin1'
+  "Right Headphone Mux,0" => "lin1-rin1",
+}
+
+FINAL_STATE.each do |name, value|
+  run("amixer", "-c0", "sset", name, value.to_s)
+  raise "Error setting #{name} to #{value}" unless $?.success?
+end