/usr/share/gconf/schemas/gnome-alsamixer.schemas is in gnome-alsamixer 0.9.7~cvs.20060916.ds.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 | <gconfschemafile>
  <schemalist>
    <!-- Completion uris -->
    <!--schema>
      <key>/schemas/apps/PAW/PAWed/preferences</key>
      <applyto>/apps/PAW/PAWed/preferences</applyto>
      <owner>gnome-alsamixer</owner>
      <type></type>
      <default></default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/gnomealsamixer/preferences/tab_position</key>
      <applyto>/apps/gnomealsamixer/preferences/tab_position</applyto>
      <owner>gnome-alsamixer</owner>
      <type>int</type>
      <default></default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema-->
    <schema>
      <key>/schemas/apps/gnome-alsamixer/geometry/main_window_width</key>
      <applyto>/apps/gnome-alsamixer/geometry/main_window_width</applyto>
      <owner>gnome-alsamixer</owner>
      <type>int</type>
      <default>600</default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/gnome-alsamixer/geometry/main_window_height</key>
      <applyto>/apps/gnome-alsamixer/geometry/main_window_height</applyto>
      <owner>gnome-alsamixer</owner>
      <type>int</type>
      <default>380</default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/gnome-alsamixer/geometry/mixer_slider_style</key>
      <applyto>/apps/gnome-alsamixer/geometry/mixer_slider_style</applyto>
      <owner>gnome-alsamixer</owner>
      <type>bool</type>
      <default>false</default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/gnome-alsamixer/geometry/mixer_slider_toggle_style</key>
      <applyto>/apps/gnome-alsamixer/geometry/mixer_slider_toggle_style</applyto>
      <owner>gnome-alsamixer</owner>
      <type>bool</type>
      <default>true</default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema>
    <!--schema>
      <key>/schemas/apps/gnome-alsamixer/display_names/%s</key>
      <applyto>/apps/gnome-alsamixer/display_names/%s</applyto>
      <owner>gnome-alsamixer</owner>
      <type>bool</type>
      <default></default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/gnome-alsamixer/display_mixers/%s</key>
      <applyto>/apps/gnome-alsamixer/display_mixers/%s</applyto>
      <owner>gnome-alsamixer</owner>
      <type>bool</type>
      <default></default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/gnome-alsamixer/slider_display_names/%s-%s</key>
      <applyto>/apps/gnome-alsamixer/slider_display_names/%s-%s</applyto>
      <owner>gnome-alsamixer</owner>
      <type>string</type>
      <default></default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/gnome-alsamixer/display_sliders/%s-%s</key>
      <applyto>/apps/gnome-alsamixer/display_sliders/%s-%s</applyto>
      <owner>gnome-alsamixer</owner>
      <type>bool</type>
      <default></default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/gnome-alsamixer/slider_locked/%s-%s</key>
      <applyto>/apps/gnome-alsamixer/slider_locked/%s-%s</applyto>
      <owner>gnome-alsamixer</owner>
      <type>bool</type>
      <default></default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/gnome-alsamixer/toggle_display_names/%s-%s</key>
      <applyto>/apps/gnome-alsamixer/toggle_display_names/%s-%s</applyto>
      <owner>gnome-alsamixer</owner>
      <type>string</type>
      <default></default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/gnome-alsamixer/display_toggles/%s-%s</key>
      <applyto>/apps/gnome-alsamixer/display_toggles/%s-%s</applyto>
      <owner>gnome-alsamixer</owner>
      <type>bool</type>
      <default></default>
      <gettext_domain>gnome-alsamixer</gettext_domain>
      <locale name="C">
       <short></short>
      </locale>
    </schema-->
  </schemalist>
</gconfschemafile>
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