109 lines
4.8 KiB
HTML
109 lines
4.8 KiB
HTML
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<p>
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<dfn>Auxilliary sends</dfn> are <a
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href="/working-with-plugins/processor-box/">processors</a> in a bus or
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track channel strip. They tap the signal at a specific point in the signal
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flow (pre-fader, post-fader, before or after EQs and other plugins, etc.)
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and send a copy of that signal somewhere else, without affecting the
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normal signal flow downwards to the channel fader.
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</p>
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<p>
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Usually, aux sends from several tracks are collectively sent to a
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dedicated <dfn>Aux bus</dfn> in Ardour, to create a monitor mix for a
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musician, or to feed an effect unit. The output of such a bus might
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be routed to separate hardware outputs (in the case of headphone or monitor
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wedge mixes), or returned to the main mix (in the case of an effect).<br
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/>
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Aux sends are not JACK ports, with <a href="@@external-sends">
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External Sends</a> Jack ports are created so it is also possible to
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send the tapped signal somewhere else directly, which is not usually
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possible on hardware mixers.
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</p>
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<p>
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It may be useful to
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<a href="@@comparing-aux-sends-and-subgroups">compare and contrast</a>
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the use of aux sends with <a href="@@subgrouping">subgrouping</a>.
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</p>
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<h2>Adding a new aux bus</h2>
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<p>
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Choose <kbd class="menu">Session > Add New Track or Bus</kbd>. In the
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<kbd class="menu">New Track & Bus</kbd> dialog, select "Busses" in the Track/Bus
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selector at the upper right.
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</p>
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<h2>Adding a send to an aux bus</h2>
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<p>
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Context-click on the processor box for the track you want to send to the bus, and
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choose <kbd class="menu">New Aux Send</kbd>. From the submenu, choose the bus you
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want to send to. A send will be added (and will be visible in the processor box).
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Note that the submenu may be empty if you have not created a bus yet.
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</p>
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<h3>Pre-fader and Post-fader Aux Sends</h3>
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<p>
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Depending on whether you context-click above or below the fader in the processor box,
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the new aux send can be placed before or after the fader in the channel strip.
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<dfn>Post-fader</dfn> aux sends are typically used when using an aux for shared signal
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processing (FX), so that the amount of effect is always proportional to
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the main mix fader. <dfn>Pre-fader</dfn> sends ensure that the level sent to the bus
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is controlled <em>only</em> by the send, not the main fader—this is typical
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when constructing headphone and monitor wedge mixes.
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</p>
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<h2>Adding a new aux bus and sending a Track Group to it</h2>
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<p>
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You can add aux sends to all members of a group and connect them to a new aux bus
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with a single click. After creating the track group (and adding tracks to it),
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context-click on the group tab and choose either
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<kbd class="menu">Add New Aux Bus (pre-fader)</kbd> or
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<kbd class="menu">Add New Aux Bus (post-fader)</kbd>. A new aux bus will be created,
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and a new aux send added to every member of the track group that connects to
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this aux bus.
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</p>
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<h2>Altering Send Levels</h2>
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<p>
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You can alter the amount of the signal received by a send that it delivers to the bus
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it connects to. There are three approaches to this:
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</p>
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<h3>Use the Send Fader</h3>
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<p>
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Every send processor has a small horizontal fader that can be adjusted in the usual way. It is
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not very big and so this can be a little unsatisfactory if you want very fine control
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over the send level.
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</p>
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<h3>Mapping the Main Fader</h3>
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<p>
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Double-clicking on the send in the processor box will allow you to use the
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big fader of the mixer strip to control the send. The visual appearance of
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the mixer strip will change to reflect this. Double-click the send again to
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revert back to normal function for the strip.
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</p>
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<h3>Map Aux Sends To Main Faders</h3>
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<p>
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Pressing the button marked <kbd class="menu">Aux Sends</kbd> on a aux bus will
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alter the channel strip for every track or bus that feeds the aux bus. Many
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aspects of the strip will become insensitive and/or change their visual
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appearance. More importantly, the main fader of the affected channel strips
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will now control the send level and <strong>not</strong> the track gain.
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This gives a larger, more configurable control to alter the level. Click the
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<kbd class="menu">Aux Sends</kbd> button of the aux bus again to revert the
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channel strips to their normal use.
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</p>
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<h2>Disabling Sends</h2>
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<p>
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Clicking on the small "LED" in the send display in the processor box of the
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channel strip will enable/disable the send. When disabled, only silence will
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be delivered to the aux bus by this track. When enabled, the signal arriving
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at the send will be delivered to the aux bus.
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</p>
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<h2>Send Panning</h2>
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<p>
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Send panners can be configured to either be independent of the main
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panner, or to follow it. The latter could be useful for Reverb effects, or
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for in-ear monitor mixes delivered in stereo.
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</p>
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