-<p class="fixme">This section requires some significant rework to fit as manaul content.</p>
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- <strong>Automation</strong> is a way of dynamically changing audio processing parameters over time.
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- Up to now, we have used fixed values for various parameters of our Tracks (for example, a Track Fader set to -3.0 dB; or a Mono Panner set to 100% Left; etc.) These fixed values would apply for the entire Track throughout the whole Session.
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- But what if you would like these values to change over time in a pre-determined way? For example, you may want to have the Gain of a Track to gradually decrease over twenty seconds. Or you may want to make a sound move from Left to Right over two seconds.
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- This is accomplished with <strong>Automation</strong>. The Fader, Panning, and any of the parameters of the Plugins used in that Track can be automated. An automated parameter is displayed underneath the parent track in its own <strong>Automation Track</strong>. Automation data is visually represented as an <strong>Automation Line</strong>, made up of a number of <strong>Automation Points</strong>. Here’s how a track with Automation looks like:
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-<p><img src="/images/Ardour4_Automation_Fader_1.png" alt="automation1"></p>
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- In the image above, the Automation Track called “<em>Fader</em>” is associated to the parent Track called “<em>Audio 1</em>”. The Automation Line controls Fader (volume) changes over time.
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-<h2>Creating a Fader Automation Line</h2>
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- Let’s create a simple Fader Automation. Click the “<em>A</em>” button of a chosen track. A menu will appear, where you can select the parameter you would like to Automate. Choose “<em>Fader</em>”.
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-<p><img src="/images/Ardour4_Automation_Button.png" alt="automation2"></p>
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- An Automation Track will then appear. Select the Draw Mode (shortcut “<em>D</em>”):
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-<p><img src="/images/Ardour4_EditModes_D.png" alt="automation3"></p>
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- Now you can create Automation Points by clicking anywhere in the Automation Track. An Automation Line joins the Automation Points you add. The yellow number (-15.3 decibels in the image below) indicates the Gain level for the selected Automation Point.
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-<p><img src="/images/Ardour4_Automation_Fader_2.png" alt="automation3"></p>
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-<h3>Automation States</h3>
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- The Automation Curve will not play, however, until you set the Automation State to “<em>Play</em>”.
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-<p><img src="/images/Ardour4_Automation_Fader_3.png" alt="automation state"></p>
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- <strong>Manual</strong>: When set to “<em>Manual</em>”, the Track will ignore any Automation data. It will just play with whatever volume is the Fader is set to. In this mode, you are able to move the Track Fader by hand to set a new fixed level. That’s the default behavior of a Track when it’s first created.
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- <strong>Play</strong>: When set to “<em>Play</em>”, the Track will automatically change the Gain levels following the Automation Curve drawn in the Automation Track. You will no longer be able to move the Track Fader by hand. During playback, you will see the Track Fader moving up and down according to the curve.
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- <strong>Write</strong> mode will continuously record user changes to the Automated parameter as the Transport plays, creating an Automation Line. For instance, you may start playback and then make real-time changes in gain using the Fader of your Track. All the changes you make will be written (recorded) as an Automation Line, which then you can play back later by switching the Automation Mode back to Play
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- <strong>Touch</strong> mode is similar to Write mode. Unlike Write mode though, Touch mode won’t record over existing Automation data unless the parameter is being changed.
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- If these concepts are new to you, focus now on just the first two modes (<em>Manual</em> and <em>Play</em>), and practice creating automation by drawing Automation Curves by hand.
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-<h2>Creating a Plugin for Automation</h2>
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- You may add Automation to any Plugin which has already been added to a Track. In the example below, we have a “<strong>AM pitchshifter</strong>” Plugin added to a track.
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-<p><img src="/images/Ardour4_Automation_Plugin1.png" alt="pluginautomation1"></p>
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- In order to select a Plugin parameter for Automation, click the button on the Track marked “<em>a</em>”. The menu will appear. Under “<em>Processor Automation</em>” you will find a listing of the Plugins you have added for that Track.
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-<p><img src="/images/Ardour4_Automation_Plugin2.png" alt="pluginautomation2"></p>
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- Within each listed Plugin, you may choose which parameter you want to Automate from a list. In the example, we chose the parameter “<em>Pitch shift</em>” of the Plugin “<em>AM pitchshifter</em>”. An Automation Track for that parameter appears. Note that as you open several Automation Tracks, they will appear one after the other below the main parent Track.
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- Draw an automation curve for that parameter. Don’t forget to set the Automation State to “<em>Play</em>”.
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-<p><img src="/images/Ardour4_Automation_Plugin3.png" alt="pluginautomation3"></p>
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