manual/include/quantize-midi.html
Shamus Hammons 081e7af0b6 Fix for internal anchor links in the build script.
Seems this had been broken for some time now, but nobody noticed it. :-/
Thanks to Len Ovens for pointing this one out. :-)
2017-11-10 18:47:11 -06:00

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<figure>
<img src="/images/quantize.png" alt="the Quantize dialog">
<figcaption>
The Quantize dialog
</figcaption>
</figure>
<p>
Quantizing a MIDI region, usually one recorded from a MIDI instrument, consists
in perfectly aligning the notes with the grid by shifting the notes positions to
the closest grid line. The result is a perfectly timed MIDI region, allowing
to correct rhythmically poor performance.
</p>
<p>
This dialog is accessed via the <kbd class="menu">Region &gt; MIDI &gt; Quantize...</kbd>
while having a MIDI region selected, or by <kbd class="mouse">right</kbd> clicking
a MIDI region, <kbd class="menu"><em>Name_Of_The_Region</em> &gt; MIDI &gt; Quantize...</kbd>
or with the default <kbd class="mod2">5</kbd> shortcut and includes:
</p>
<table class="dl">
<tr><th>Snap note start</th>
<td>If checked, the start of the notes will be aligned to the grid as defined
in the following combo-box (see below)</td></tr>
<tr><th>Snap note end</th>
<td>If checked, the end of the notes will be aligned to the grid as defined
in the following combo-box (see below)</td></tr>
<tr><th>Threshold (ticks)</th>
<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>
<tr><th>Strength</th>
<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>
<tr><th>Swing</th>
<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>
</table>
<p>
The grid selection combo boxes allow a choice between the current <em>main grid</em>, or many beat subdivisions.
</p>
<p>
Both note start and note end can be selected at once, resulting in a 2-pass quantization:
the note starts are aligned to the grid (with or without the <kbd class="menu">swing</kbd>
and <kbd class="menu">Strength</kbd> parameters), then their ends are aligned.
</p>
<p>
The swing is a value between 0 and 130, and is relative to the user-selected grid
type: every note which is considered a second note (i.e. close enough to an odd
grid line as per the threshold value) will be delayed by this number of ticks.
</p>