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-title: Ruler
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<img src="/images/ruler.png" alt="Ardour's Ruler">
</dl>
<p>Most of the operations on the markers are described in <a href="/working-with-markers/">Working with Markers</a>, while the Meter, Tempo, Bars:Beats and Timecode use are described in <a href="/working-with-tempo-and-meter/">Tempo and Meter</a>.</p>
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