53 lines
2.4 KiB
HTML
53 lines
2.4 KiB
HTML
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<figure>
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<img src="/images/quantize.png" alt="the Quantize dialog">
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<figcaption>
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The Quantize dialog
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</figcaption>
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</figure>
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<p>
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Quantizing a MIDI region, usually one recorded from a MIDI instrument, consists
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in perfectly aligning the notes with the grid by shifting the notes positions to
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the closest grid line. The result is a perfectly timed MIDI region, allowing
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to correct rhythmically poor performance.
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</p>
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<p>
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This dialog is accessed via the <kbd class="menu">Region > MIDI > Quantize...</kbd>
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while having a MIDI region selected, or by <kbd class="mouse">right</kbd> clicking
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a MIDI region, <kbd class="menu"><em>Name_Of_The_Region</em> > MIDI > Quantize...</kbd>
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or with the default <kbd class="mod2">5</kbd> shortcut and includes:
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</p>
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<table class="dl">
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<tr><th>Snap note start</th>
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<td>If checked, the start of the notes will be aligned to the grid as defined
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in the following combo-box (see below)</td></tr>
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<tr><th>Snap note end</th>
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<td>If checked, the end of the notes will be aligned to the grid as defined
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in the following combo-box (see below)</td></tr>
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<tr><th>Threshold (ticks)</th>
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<td>Defines how close from a grid point a note must be in order to be quantized. Notes farther than this number of <a href="@@timecode-generators-and-slaves">ticks</a> will not be affected.</td></tr>
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<tr><th>Strength</th>
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<td>Defines how close to its new position the note must be moved, as a percentage of the nominal distance (allowing for a non-perfect quantization, i.e. just making the performance rhytmically better without giving it a machine-generated feel)</td></tr>
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<tr><th>Swing</th>
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<td>Applies a <em>swing</em> to the midi notes, i.e. delays every 2nd note by this amount, to e.g. simulate a groovy drummer</td></tr>
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</table>
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<p>
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The grid selection combo boxes allow a choice between the current <em>main grid</em>, or many beat subdivisions.
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</p>
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<p>
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Both note start and note end can be selected at once, resulting in a 2-pass quantization:
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the note starts are aligned to the grid (with or without the <kbd class="menu">swing</kbd>
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and <kbd class="menu">Strength</kbd> parameters), then their ends are aligned.
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</p>
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<p>
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The swing is a value between 0 and 130, and is relative to the user-selected grid
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type: every note which is considered a second note (i.e. close enough to an odd
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grid line as per the threshold value) will be delayed by this number of ticks.
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</p>
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