manual/include/mono-panner.html

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<p>
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The default <dfn>mono panner</dfn> distributes 1 input to 2 outputs. Its
behaviour is controlled by a single parameter, the <dfn>position</dfn>. By
default, the panner is centered.
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</p>
<h2>Mono Panner User Interface</h2>
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<figure class="left">
<img src="/images/mono-panner.png" alt="The mono panner">
<figcaption>
The mono panner
</figcaption>
</figure>
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<p>
The mono panner looks quite similar to the <a href="@@stereo-panner">stereo panner</a>
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interface. The difference is that the L/R labels in the lower half
of the mono panner do not move because there is no "width" to
control.
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</p>
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<p>
On the adjacent picture, the panner is centered, as shown by the central
position of the slider, called <dfn>position indicator</dfn>.
</p>
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<h2>Using the mouse</h2>
<p>To change the position smoothly, press the right button and drag
anywhere within the panner. <em>Note: you do not need
to grab the position indicator in order to drag</em>
</p>
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<table class="dl">
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<tr><th>Reset to defaults</th>
<td>Click <kbd class="mod3 mouse">right</kbd></td></tr>
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<tr><th>Change to a "hard left"</th>
<td>Double click <kbd class="mouse">right</kbd> in the left side
of the panner</td></tr>
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<tr><th>Change to a "hard right"</th>
<td>Double click <kbd class="mouse">right</kbd> in the right side
of the panner</td></tr>
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<tr><th>Set the position to center</th>
<td>Double Click <kbd class="mouse">right</kbd> in the middle of the panner</td></tr>
</table>
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<h2>Keyboard bindings</h2>
<p>
When the pointer is within a mono panner user interface, the following
keybindings are available to operate on that panner:
</p>
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<table class="dl">
<tr><th><kbd>&larr;</kbd> / <kbd class="mod1">&larr;</kbd></th>
<td>move position 1&deg; / 5&deg; to the left</td></tr>
<tr><th><kbd>&rarr;</kbd> / <kbd class="mod1">&rarr;</kbd></th>
<td>move position 1&deg; / 5&deg; to the right</td></tr>
<tr><th><kbd>0</kbd></th>
<td>reset position to center</td></tr>
</table>
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<h2>Using the scroll wheel/touch scroll</h2>
<p>
When the pointer is within a mono panner user interface, the scroll
wheel may be used as follows:
</p>
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<table class="dl">
<tr><th><kbd class="mouse">&uArr;</kbd> or <kbd class="mouse">&lArr;</kbd></th>
<td>move position to the left by 1&deg;</td></tr>
<tr><th><kbd class="mod1 mouse">&uArr;</kbd> or <kbd class="mod1 mouse">&lArr;</kbd></th>
<td>move position to the left by 5&deg;</td></tr>
<tr><th><kbd class="mouse">&dArr;</kbd> or <kbd class="mouse">&rArr;</kbd></th>
<td>move position to the right by 1&deg;</td></tr>
<tr><th><kbd class="mod1 mouse">&dArr;</kbd> or <kbd class="mod1 mouse">&rArr;</kbd></th>
<td>move position to the right by 5&deg;</td></tr>
</table>