Make sure to use the text string ~B0,64 to return the affected staff to normal tuning.īasically, add or subtract 16 from the “centered” value of 64 for each additional quarter tone, sharp or flat: The syntax is tilde, B (for Bend) zero, comma, then the value. Using Technique Text (which only affects one specific staff / instrument), select the note or beat where you want the tuning change to occur. a note without a microtonal accidental). An example might be to create a “blue note” in a jazz line. For this type of application, the plugin won’t work. Sometimes you might want quarter-tone pitch bend on a diatonic or chromatic note (e.g. Only one MIDI pitch bend command per instrument is possible at a time, so, for instance, different notes in a chord cannot be tuned differently from each other in the same staff.īEYOND A QUICK TIP : QUARTER-TONE PITCH BEND ON CHROMATIC OR DIATONIC NOTES The plugin works by sharpening occurrences of any microtonal accidental by a quarter-tone via MIDI pitch bend to get the correct playback pitch, halfway between two chromatic tones.Īfter running the plugin, you’ll see the following string of Technique Text: ~B0,80 for any microtonal accidental and ~B0,64 for any diatonic or chromatic pitch. A double flat and a three quarer-flat sound the same pitch until the plugin is applied.A chromatic or diatonic flat and a quarter-flat sound the same pitch until the plugin is applied.A natural and a quarter-sharp sound the same pitch until the plugin is applied.A chromatic or diatonic sharp and a three quarter-sharp sound as the same pitch until the plugin is applied.To see the hidden Technique Text that contains the MIDI commands the plugin generates, check Hidden Objects in View.įor those interested in “how it works”, the visible microtonal accidentals in Sibelius are set for playback to what might be considered the “closest” chromatic interval by default: If you want playback for the microtonal accidentals in the Sibelius Keypad, that’s all you need. If you are using the microtonal accidentals to visually create your quarter-tone notation, the most straightforward solution is to use the shipping Sibelius plugin called “Quarter-tone playback” which completely automates the process of creating playback for microtonal accidentals. Microtonal playback for these accidentals can be created using MIDI pitch bend. While keypad entry allows you to graphically display the accidentals, they do not play back automatically. There are separate symbols for “Quarter sharp”, “Quarter flat” as well “Three quarter sharp” and “Three quarter flat”. In the Sibelius Keypad, there are preset symbols for microtonal accidentals (6th keypad).
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