Extending license and WIP

index.html

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-					<ul class="copyright">&copy; 2017 Institute of Technical Acoustics (ITA), RWTH Aachen University</ul>
+					<ul class="copyright">&copy; 2017-2018 Institute of Technical Acoustics (ITA), RWTH Aachen University</ul>
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work/research.html

@@ -344,7 +344,7 @@ DAGA <strong>2012</strong>, Darmstadt (Germany)
 					
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-					<ul class="copyright">&copy; 2017 Institute of Technical Acoustics (ITA), RWTH Aachen University</ul>
+					<ul class="copyright">&copy; 2017-2018 Institute of Technical Acoustics (ITA), RWTH Aachen University</ul>
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work/start.html

@@ -1016,7 +1016,30 @@ Do not forget that a signal source can only be auralized in combination with a s
 										Rendering modules work pretty much on their own, however they expose some common and some specialized methods to interact with.
 										
 										</p>
+										<p>
+										To get a list of available modules, use
+<pre><code>renderer_ids = va.get_renderers()</code></pre>
+										</p>
 										
+<p>Every rendering instance can be muted/unmuted and the output gain can be controlled.
+<pre><code>va.set_renderer_muted( renderer_id, true )
+va.set_renderer_gain( renderer_id, 1.0 )
+va.get_renderer_muted( renderer_id )
+va.get_renderer_gain( renderer_id )</code></pre>
+</p>
+
+<p>To obtain and set parameters, type
+<pre><code>va.set_renderer_parameters( renderer_id, in_params )
+out_params = va.get_renderer_parameters( renderer_id, request_params )</code></pre>
+The <code>request_params</code> can usually be empty, but if a key <code>help</code> or <code>info</code> is present, the rendering module will provide usage information.
+</p>
+
+<p>A special feature that has been requested for Virtual Reality (background music, instructional speech, operator's voice) provides a sound source and sound receiver create method that will only be effective for the given <i>rendering instance</i> (explicit renderer). This is required if ambient clips should be played back without spatialization, or if certain circumstances demand that a source is only processed by one single renderer. This way also computational power can be saved.
+<pre><code>sound_source_id = va.create_sound_source_explicit_renderer( renderer_id )
+sound_receiver_id = va.create_sound_receiver_explicit_renderer( renderer_id )</code></pre>
+The sources and receivers created with this method are handled like normal entities.
+</p>
+
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 									<section id="reproduction">