manual/include/automating-midi---pitch-bending-and-aftertouch.html
2017-11-15 15:34:10 +01:00

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<p>
Adding pitch bending or aftertouch can add a lot of subtlety to an otherwise
plain sounding midi region and help humanize it.
</p>
<figure>
<img src="/images/MIDI_pitch_bending.png" alt="Automation: pitch bending">
<figcaption>Automation: pitch bending</figcaption>
</figure>
<p>
Pitch bending and aftertouch both work the same way, through automation, by <kbd class="mouse">right</kbd>
clicking the MIDI track's header <kbd class="menu">&gt; Automation &gt; Bender (or
Pressure) &gt; the channel to bend</kbd>.
</p>
<p>
Using the Draw tool, as for all the automation, allows to create a gradual
change from one drawn point to another. A line in the center produces no
change to the pitch, while a line above the center will bend the pitch to a
higher note (up to 4 semitones) and a line going under the middle will bend
the pitch to a lower note.
</p>
<p>
The values can be anything between 0 (-4 semitones) to 16383 (+4 semitones). No
automation or a value of 8192 means no pitch shifting.
</p>
<p>
Aftertouch works very similarly, though the values are between 0 and 127. It
should be noted that aftertouch differs from velocity, as aftertouch allows to
slightly change the timbre or create a vibrato, while the velocity sets the
power with which the note is played (e.g. on a keyboard, the key is hit).
</p>