103 lines
2.5 KiB
XML
103 lines
2.5 KiB
XML
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<?xml version="1.0" standalone="no"?>
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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]>
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<section id="editor-window-timeline">
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<title>Timeline</title>
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<para>
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At the top of the track display area is the timeline display. This consists
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of a number of rulers, a meter track, a tempo track and the marker display.
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</para>
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<para>
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The available rulers include:
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</para>
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<table id="tbl-rulers">
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<title>Ruler Types</title>
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<tgroup cols = "2">
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<colspec colnum="1" colname="Ruler Type" colwidth="1"/>
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<colspec colnum="2" colname="Description" colwidth= "2"/>
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<thead>
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<row>
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<entry>
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Ruler Type
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</entry>
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<entry>
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Description
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</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>
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Frames
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</entry>
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<entry>
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this ruler measures audio frames. The number of audio frames per second
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depends on the sample rate in use.
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</entry>
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</row>
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<row>
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<entry>
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SMPTE
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</entry>
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<entry>
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this ruler displays SMPTE timecode. The SMPTE format (25fps, 30fps, drop
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frame etc) is selected in the Options Editor option_editor.
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</entry>
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</row>
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<row>
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<entry>
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Min:Sec
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</entry>
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<entry>
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this ruler displays time in minutes+seconds, measured since the start of
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the session.
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</entry>
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</row>
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<row>
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<entry>
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BBT
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</entry>
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<entry>
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<para>
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(Bars,Beats,Ticks) this ruler displays positions based on the tempo
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map.
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</para>
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</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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<para>
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To show or hide one or more of the rulers, click on the area to the left of
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their names. A menu will popup that has a check item for each available
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ruler. Click on the name of the ruler to toggle its visibility.
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</para>
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<para>
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The tempo and meter tracks display the tempo map for the session. The tempo
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track contains 1 or more tempo change points, with a default tempo of 120
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beats per minute. The meter track contains 1 or more meter change points,
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with an initial default meter of 4/4.
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</para>
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<para>
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on a tempo/meter change point to edit it. Click in the tempo/meter track to
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add a new change point. Click and drag on a change point to move it. on a
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tempo/meter change point to remove it.
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</para>
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<para>
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There is more information on using the timeline in editing_basics.
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</para>
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<!--
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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href="Some_Subsection.xml" />
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-->
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</section>
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