manual/include/external-sends.html

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<p>
Like a normal aux send, an <dfn>external send</dfn> taps the signal at a
specific point within a channel strip, but delivers it to an external application
or piece of hardware rather than an Ardour bus. By itself, an external
send has no effect whatsoever on the audio signals within Ardour&mdash;it
is a one-way signal routing that leaves all existing signal processing
just as it was.
</p>
<p>
Most people will not have much use for this, but it can be useful to experiment
with external applications or hardware signal processing applications.
</p>
<h2>Adding an External Send</h2>
<p>
Context-clicking on the
<a href="@@processor-box">processor box</a> in a
channel strip (at the desired location, pre or post fader) and choosing
<kbd class="menu">Add new External Send</kbd> will show a dialog containing the
standard Ardour <a href="@@patchbay"><dfn>patchbay</dfn></a> to allow
to connect the send to the desired destination.
</p>
<h2>Removing an External Send</h2>
<p>An external send can be removed in several ways:</p>
<ul>
<li><kbd class="mouse mod3">Right</kbd>-clicking the send in the processor box and
choosing either <kbd class="menu">Cut</kbd> or <kbd class="menu">Delete</kbd>.</li>
<li>Selecting the send (with a single <kbd class="mouse">left</kbd> click) and
pressing the <kbd>Del</kbd> key.</li>
</ul>
<h2>Altering Send Levels</h2>
<p>
Just below the send in the processor box is a small fader that can be used
like all other faders in Ardour to control the gain applied to the signal
delivered by the send. Dragging it alters the level, Shift-click restores
to unity (0dB) gain.
</p>
<h2>Disabling Sends</h2>
<p>
Clicking the small LED in the send display within the processor box turns
it on and off. When turned off, silence will be delivered to the send. When
turned on, the signal within the channel strip will be delivered.
</p>
<h2>Editing Send Routing</h2>
<p>
Double-clicking on the send in the processor box will redisplay the patchbay
dialog that gives full control over the routing of the send.
</p>