diff --git a/data/interface/wabout.ui b/data/interface/wabout.ui
new file mode 100644
index 0000000..96f8df9
--- /dev/null
+++ b/data/interface/wabout.ui
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.16.1 -->
+<interface>
+  <requires lib="gtk+" version="3.10"/>
+  <object class="GtkAboutDialog" id="about_devedeng">
+    <property name="can_focus">False</property>
+    <property name="resizable">False</property>
+    <property name="modal">True</property>
+    <property name="window_position">center</property>
+    <property name="type_hint">dialog</property>
+    <property name="has_resize_grip">False</property>
+    <property name="program_name">Devede NG</property>
+    <property name="copyright" translatable="yes">2014 Raster Software Vigo</property>
+    <property name="authors">Sergio Costas Rodríguez</property>
+    <property name="logo">devede.png</property>
+    <property name="logo_icon_name"/>
+    <property name="license_type">gpl-3-0</property>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="aboutdialog-vbox1">
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <property name="spacing">2</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="aboutdialog-action_area1">
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <placeholder/>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>
diff --git a/data/interface/wmain.ui b/data/interface/wmain.ui
index 3625d7a..8643c35 100644
--- a/data/interface/wmain.ui
+++ b/data/interface/wmain.ui
@@ -159,6 +159,7 @@
                         <property name="can_focus">False</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
+                        <signal name="activate" handler="on_about_activate" swapped="no"/>
                       </object>
                     </child>
                   </object>
diff --git a/data/pixmaps/devede.png b/data/pixmaps/devede.png
new file mode 100644
index 0000000..098fca1
Binary files /dev/null and b/data/pixmaps/devede.png differ
diff --git a/src/devede/about.py b/src/devede/about.py
new file mode 100644
index 0000000..188b4af
--- /dev/null
+++ b/src/devede/about.py
@@ -0,0 +1,38 @@
+# Copyright 2014 (C) Raster Software Vigo (Sergio Costas)
+#
+# This file is part of DeVeDe-NG
+#
+# DeVeDe-NG is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# DeVeDe-NG is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>
+
+from gi.repository import Gtk
+import os
+import devede.configuration_data
+
+class about_window:
+
+    def __init__(self):
+
+        self.config = devede.configuration_data.configuration.get_config()
+
+        builder = Gtk.Builder()
+        builder.set_translation_domain(self.config.gettext_domain)
+
+        builder.add_from_file(os.path.join(self.config.glade,"wabout.ui"))
+        builder.connect_signals(self)
+        w_window = builder.get_object("about_devedeng")
+        w_window.set_version(self.config.version)
+
+        w_window.show_all()
+        w_window.run()
+        w_window.destroy()
diff --git a/src/devede/configuration_data.py b/src/devede/configuration_data.py
index ad47705..3d2b83c 100644
--- a/src/devede/configuration_data.py
+++ b/src/devede/configuration_data.py
@@ -35,6 +35,7 @@ class configuration(GObject.GObject):
 
     def __init__(self):
         GObject.GObject.__init__(self)
+        self.version = "0.1 Alpha 1"
 
     def fill_config(self):
 
diff --git a/src/devede/mplayer_detector.py b/src/devede/mplayer_detector.py
index 221def2..5ba43fb 100644
--- a/src/devede/mplayer_detector.py
+++ b/src/devede/mplayer_detector.py
@@ -77,7 +77,7 @@ class mplayer_detector(devede.executor.executor):
         if (check_audio):
             frames = "0"
         else:
-            frames = "1"
+            frames = "5"
 
         command_line = ["mplayer","-loop","1","-identify", "-vo", "null", "-ao", "null", "-frames", frames , file_name]
 
diff --git a/src/devede/project.py b/src/devede/project.py
index 5a765a8..85a3a4c 100644
--- a/src/devede/project.py
+++ b/src/devede/project.py
@@ -33,6 +33,7 @@ import devede.mkisofs
 import devede.end_job
 import devede.vcdimager_converter
 import devede.shutdown
+import devede.about
 
 class devede_project:
 
@@ -479,4 +480,8 @@ class devede_project:
 
     def on_settings_activate(self,b):
 
-        w = devede.settings.settings_window()
\ No newline at end of file
+        w = devede.settings.settings_window()
+
+    def on_about_activate(self,b):
+
+        w = devede.about.about_window()
\ No newline at end of file