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	<id>https://wiki.chaosvermittlung.de/index.php?action=history&amp;feed=atom&amp;title=Tech%3AService_player_v1</id>
	<title>Tech:Service player v1 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.chaosvermittlung.de/index.php?action=history&amp;feed=atom&amp;title=Tech%3AService_player_v1"/>
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	<updated>2026-04-20T07:33:13Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.44.0</generator>
	<entry>
		<id>https://wiki.chaosvermittlung.de/index.php?title=Tech:Service_player_v1&amp;diff=855&amp;oldid=prev</id>
		<title>Mirwi at 21:37, 15 January 2017</title>
		<link rel="alternate" type="text/html" href="https://wiki.chaosvermittlung.de/index.php?title=Tech:Service_player_v1&amp;diff=855&amp;oldid=prev"/>
		<updated>2017-01-15T21:37:53Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:37, 15 January 2017&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Special services player v1 ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Special services player v1 ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[File:33C3_service_player.jpg|300px|right|special services player v1]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The predecessor of this device was the simple [[Tech:Audiosignal_Input|audio input]] plus an MP3 player, as used at [[Events:GPN16|GPN16]].&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The predecessor of this device was the simple [[Tech:Audiosignal_Input|audio input]] plus an MP3 player, as used at [[Events:GPN16|GPN16]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This device now was meant to be much further developed hardware wise, but some difficulties and time constraints resulted in the &quot;special services player&quot; for the [[Events:33c3|33c3]] to be just another makeshift temporary solution. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;It looked like this:&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This device now was meant to be much further developed hardware wise, but some difficulties and time constraints resulted in the &quot;special services player&quot; for the [[Events:33c3|33c3]] to be just another makeshift temporary solution &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;that can be seen on the right&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[File:33C3_service_player.jpg|400px|special services player v1]]&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;You can see the housed RaspberryPI, a first generation model B, two USB sound cards and the array of six audio transformers plus coupling capacitors for the individual signal lines.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;You can see the housed RaspberryPI, a first generation model B, two USB sound cards and the array of six audio transformers plus coupling capacitors for the individual signal lines.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key mediawiki-en_:diff:1.41:old-854:rev-855:php=table --&gt;
&lt;/table&gt;</summary>
		<author><name>Mirwi</name></author>
	</entry>
	<entry>
		<id>https://wiki.chaosvermittlung.de/index.php?title=Tech:Service_player_v1&amp;diff=854&amp;oldid=prev</id>
		<title>Mirwi at 21:32, 15 January 2017</title>
		<link rel="alternate" type="text/html" href="https://wiki.chaosvermittlung.de/index.php?title=Tech:Service_player_v1&amp;diff=854&amp;oldid=prev"/>
		<updated>2017-01-15T21:32:24Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Special services player v1 ==&lt;br /&gt;
&lt;br /&gt;
The predecessor of this device was the simple [[Tech:Audiosignal_Input|audio input]] plus an MP3 player, as used at [[Events:GPN16|GPN16]].&lt;br /&gt;
&lt;br /&gt;
This device now was meant to be much further developed hardware wise, but some difficulties and time constraints resulted in the &amp;quot;special services player&amp;quot; for the [[Events:33c3|33c3]] to be just another makeshift temporary solution. It looked like this:&lt;br /&gt;
&lt;br /&gt;
[[File:33C3_service_player.jpg|400px|special services player v1]]&lt;br /&gt;
&lt;br /&gt;
You can see the housed RaspberryPI, a first generation model B, two USB sound cards and the array of six audio transformers plus coupling capacitors for the individual signal lines. &lt;br /&gt;
During 33c3 the channels were used about like this:&lt;br /&gt;
* Output 1&lt;br /&gt;
  left:  line hold music - tune 1&lt;br /&gt;
  right: line hold music - tune 2&lt;br /&gt;
* Output 2&lt;br /&gt;
  left:  talking clock - all available voices&lt;br /&gt;
  right: talking clock - only German voices&lt;br /&gt;
* Output 3&lt;br /&gt;
  left:  dummy music, was planned for adult content but did not get used&lt;br /&gt;
  right: -, not used this time&lt;br /&gt;
&lt;br /&gt;
Hopefully, there will be a service player v2 that takes this approach somewhat further.&lt;/div&gt;</summary>
		<author><name>Mirwi</name></author>
	</entry>
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