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        <h1>

          Automate mixes with keyframes

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        <div><p>To create dynamic, automated

mixes, use <dfn class="term">keyframes</dfn>. Keyframes change audio volume

and score parameters over time. To gradually increase volume, for example,

add a –3 dB keyframe at the beginning of a clip and a +3 dB keyframe at

the end. Soundbooth automatically calculates, or <dfn class="term">interpolates</dfn>,

all the intermediate values using one of two transition methods:</p>

<div class="para"><ul><li><p><dfn class="term">Hold</dfn>&#160;<img src="images/keyframe_hold.png" /> transitions

create an abrupt change in value at each new keyframe.</p>

</li>

<li><p><dfn class="term">Linear</dfn>&#160;<img src="images/keyframe_linear.png" /> transitions

create a smooth, gradual change between keyframes.</p>

</li>

</ul>

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<div xmlns:fn="http://www.w3.org/2005/xpath-functions" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:xs="http://www.w3.org/2001/XMLSchema" class="fignone"><img alt="" id="mu_score_keyframes" src="images/mu_score_keyframes.png" /><div class="figdesc">Transitions between keyframes</div><br /><dl><dt class="dlterm">A.</dt>

<dd>Hold</dd><p class="dlseparator"></p><dt class="dlterm">B.</dt>

<dd>Linear</dd><p class="dlseparator"></p></dl>

</div><div class="section"><h4 class="sectiontitle">Add a keyframe</h4><p>Do either of the following:</p>

<ul><li><p>Position the pointer over a parameter line. When a plus sign&#160;<img src="images/add_keyframe_cursor.png" /> appears, click.</p>

</li>

<li><p>Position the current-time indicator where you’d like a score

parameter to change. Then click the Add Keyframe icon&#160;<img src="images/add_keyframe.png" /> for

the parameter, or change the parameter value.</p>

</li>

</ul>

</div>

<div class="section"><h4 class="sectiontitle">Navigate between score keyframes</h4><p><img src="images/dingbat.png" />&#160;In the Editor panel, click the Previous Keyframe&#160;<img src="images/previous_keyframe.png" /> or

Next Keyframe&#160;<img src="images/next_keyframe.png" /> icon

for a score parameter.</p>

</div>

<div class="section"><h4 class="sectiontitle">Display different score parameters</h4><p><img src="images/dingbat.png" />&#160;Select options from the Parameters menu at the top of a score

clip.</p>

<div class="tip"><img src="images/tip_help.png" />To quickly adjust score parameters,

see <a href="WSCE553546-C0D5-4a75-852E-832973711AF7.html">Shortcuts for score keyframes</a>.</div></div>

<div class="section"><h4 class="sectiontitle">Select all keyframes for a property</h4><p><img src="images/dingbat.png" />&#160;Right-click any keyframe for the property, and choose Select

All Keyframes.</p>

</div>

<div class="section"><h4 class="sectiontitle">Adjust keyframe values</h4><p><img src="images/dingbat.png" />&#160;Drag a

keyframe up or down. </p>

</div>

<div class="section"><h4 class="sectiontitle">Adjust keyframe time position</h4><p><img src="images/dingbat.png" />&#160;Drag a keyframe right or left.</p>

</div>

<div class="section"><h4 class="sectiontitle">Change the transition between two keyframes</h4><p><img src="images/dingbat.png" />&#160;Right-click the first keyframe, and choose either Linear

to gradually transition from one value to the next, or Hold to abruptly

change values.</p>

</div>

<div class="section"><h4 class="sectiontitle">Delete keyframes</h4><p><img src="images/dingbat.png" />&#160;Right-click a

keyframe, and choose Delete Selected Keyframes.</p>

</div>

</div>





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          <div id="relatedlinkinfo">More Help topics</div><div><p><a href="WSACCDEF71-38E3-4946-8016-292B2455A949a.html">Position the current‑time indicator</a></p><p><a href="WS43DA76B2-8DFB-4614-9596-8CE0C7FF7910a.html">Set static score parameters</a></p>

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