97 lines
3.1 KiB
HTML
97 lines
3.1 KiB
HTML
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<figure>
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<img src="/images/ruler.png" alt="Ardour's Ruler">
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<figcaption>
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Ardour's Ruler
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</figcaption>
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</figure>
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<p>
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The <dfn>ruler</dfn> scales the session along time, allows navigating, and
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can be marked for different uses.
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</p>
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<p>
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One of its main uses is to move the playhead: clicking anywhere on the
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timeline will bring the playhead at this location in time. Also, using the
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mouse's scrollwheel while hovering the ruler will zoom in or out
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(<kbd class="mouse">⇑</kbd>/<kbd class="mouse">⇓</kbd> ).
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</p>
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<p>
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The ruler is made of a succession of rows, each having a special role related
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to time. Adding or removing rows can be done by <kbd class="mouse">right</kbd>
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clicking anywhere in the ruler's header on the left, and ticking any of:
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</p>
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<table class="dl">
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<tr>
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<th><dfn>Mins:Sec</dfn></th>
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<td>scaling the session with the Mins:Secs:mSec notation</td>
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</tr>
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<tr>
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<th><dfn>Timecode</dfn></th>
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<td>scaling the session with the Hours:Mins:Secs:Frames notation</td>
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</tr>
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<tr>
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<th><dfn>Samples</dfn></th>
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<td>scaling the session with the sample number notation</td>
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</tr>
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<tr>
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<th><dfn>Bars & Beats</dfn></th>
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<td>slicing the time according to the time signature</td>
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</tr>
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<tr>
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<th><dfn>Time Signature</dfb></th>
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<td>shows the time signature. It can be changed along the timeline, by
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<kbd class="mouse">Right-click</kbd> >
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<kbd class="menu">New Time Signature</kbd>. The Bars:Beats ruler will
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reflect the change.</td>
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</tr>
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<tr>
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<th><dfn>Tempo</dfn></th>
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<td>shows the BPM. It can be changed along the timeline, by
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<kbd class="mouse">Right-click</kbd> > <kbd class="menu">New Tempo</kbd>.
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The Bars:Beats ruler will reflect the change.</td>
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</tr>
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<tr>
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<th><dfn>Ranges</dfn></th>
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<td>allow to create and modify ranges directly on the Ruler.</td>
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</tr>
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<tr>
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<th><dfn>Loop/Punch</dfn></th>
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<td>are special kind of ranges designed to be played as a loop and to do
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punch recording, i.e. recording on a precise section of time, respectively.</td>
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</tr>
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<tr>
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<th><dfn>CD Markers</dfn></th>
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<td>are markers designed to be used while creating a recording that has
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to be split in time, as an audio CD</td>
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</tr>
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<tr>
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<th><dfn>Cue markers</dfn></th>
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<td>allows triggering entire cues from the grid in the <em>Cue</em>window</td>
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</tr>
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<tr>
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<th><dfn>Markers</dfn></th>
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<td>is meant to receive any kind of marker, user generated or from Ardour
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itself.</td>
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</tr>
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<tr>
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<th><dfn>Video</dfn></th>
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<td>shows thumbnails of the <a href="@@video-timeline-and-monitoring">video</a>
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in the timeline</td>
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</tr>
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</table>
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<p>
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Most rulers allow placing markers to serve a specific purpose: mark a point in
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time, define a loop range, or something else entirely.
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</p>
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<p>
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Most of the operations on the markers are described in <a
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href="@@working-with-markers">Working with Markers</a>, additional information
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on Time Signature, Tempo, Bars:Beats, and Timecode is available in the
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<a href="@@tempo-and-meter">Tempo and Time Signature</a> chapter.
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</p>
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