manual/include/automation-curves.html

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<figure class=right>
<img src="/images/automation-curve1.png">
<figcaption class=center>A typical automation curve.</figcaption>
</figure>
<p>
An <dfn>automation curve</dfn> is a series of lines connected by <dfn>control
points</dfn> that typically defines a continuous line. As the curve is
traversed from left to right, the line defines the level of the parameter
controlled by the automation lane.
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</p>
<p>
There are two types of automation curves: <kbd class=menu>Linear</kbd> and
<kbd class=menu>Discrete</kbd>. The most common type is <kbd
class=menu>Linear</kbd>, in which the space between any two contiguous
control points is continuously interpolated; in other words, the values
between any two contiguous control points at any given time is given by the
straight line connecting them. The second type of automation curve is <kbd
class=menu>Discrete</kbd>, in which no interpolation between control points
is done; whatever value the control point is set at is the value it will
yield until it reaches the next control point, at which point it will give
that value until the next control point, and so on until there are no more
control points.
</p>
<p class=note>
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The curve by itself does nothing; it will <em>only</em> control playback if
the lane it resides in is in <kbd class=menu>Play</kbd> mode.
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</p>