39 lines
1.5 KiB
HTML
39 lines
1.5 KiB
HTML
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<p>
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Adding pitch bending or aftertouch can add a lot of subtlety to an otherwise
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plain sounding midi region and help humanize it.
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</p>
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<figure>
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<img src="/images/MIDI_pitch_bending.png" alt="Automation: pitch bending">
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<figcaption>Automation: pitch bending</figcaption>
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</figure>
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<p>
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Pitch bending and aftertouch both work the same way, through automation, by <kbd class="mouse">right</kbd>
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clicking the MIDI track's header <kbd class="menu">> Automation > Bender (or
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Pressure) > the channel to bend</kbd>.
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</p>
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<p>
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Using the Draw tool, as for all the automations, allows to create a gradual
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change from one drawn point to another. A line in the center produces no
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change to the pitch, while a line above the center will bend the pitch to a
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higher note and a line going under the middle will bend the pitch to a lower note.
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</p>
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<p>
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The pitch change depends on the synth-plugin used. Common ranges are an
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change of either ± 1, ± 2 or ± 4 semitones
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for the range 0 to 16383. The range is usually defined by the soundfont
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for each instrument.
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A value of 8192, which is also the default, means no pitch change.
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</p>
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<p>
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Aftertouch works very similarly, though the values are between 0 and 127. It
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should be noted that aftertouch differs from velocity, as aftertouch allows to
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slightly change the timbre or create a vibrato, while the velocity sets the
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power with which the note is played (e.g. on a keyboard, the key is hit).
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</p>
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