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41edo Keyboards: Difference between revisions

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== Overview ==
== Overview ==
This page discusses extending the concept of the [[The Kite Guitar|Kite Guitar]] to a keyboard or tapping instrument.  
This page discusses layouts for 41-equal keyboards and tapping instruments. Some of the layouts are skip-key layouts, analogous to the [[The Kite Guitar|Kite Guitar]].  


The usual guitar vs. keyboard trade-off is that the keyboard has more range and polyphony and freedom of voicing, but the guitar is more expressive (bends, slides, vibrato etc.) Tapping instruments are included here with the keyboards as these have much the same trade-offs. This page discusses the design of an instrument that does what a 61-note 12-edo keyboard does. Instantly play in any key (or at least every other key) without using transpose buttons, and a 5 octave range, so 4 octaves low-tonic-to-high-tonic range is guaranteed in every key.  
The usual guitar vs. keyboard trade-off is that the keyboard has more range and polyphony and freedom of voicing, but the guitar is more expressive (bends, slides, vibrato etc.) Tapping instruments are included here with the keyboards as these have much the same trade-offs. This page discusses the design of an instrument that does what a 61-note 12-edo keyboard does. Instantly play in any key (or at least every other key) without using transpose buttons, and a 5 octave range, so 4 octaves low-tonic-to-high-tonic range is guaranteed in every key.  
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== Layouts ==
== Layouts ==
=== Full-41 layout===
The obvious full-41 layout has keys one edostep apart adjacent to each other, forming a column. The top of one column "jumps" to the bottom of the next column. It's like the [https://hpi.zentral.zone/tonalplexus Tonal Plexus] layout, but omitting 80% of the keys to reduce 205-edo to 41-edo. Each column corresponds to a 12-edo note. The columns with white keys have 3 notes, and the columns with black keys have 4 notes. Most white keys have a black-key sharp to its upper right and a black-key flat to its lower left. This picture shows 2 octaves, with the white keys running C to C. 
[[File:41edo keyboard layout.png|none|thumb|517x517px]] 
To avoid awkward reaches when playing near the upper or lower edge of the keyboard, some duplication of pitches might be desirable, analogous to a button accordion having 5 rows of buttons but only 3 rows of reeds. 
[[File:41-edo keyboard 2.jpg|none|thumb|795x795px]] 
Various hexagonal Lumatone layouts are a possibility too, see below. 


===Horizontal skip-key layout===
===Horizontal skip-key layout===
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Ideally a midi keyboard could switch between both layouts. Encompassing both 14x40 and 16x24 requires 16x40 = 640 keys. A 2x2 array of four Linnstruments makes 16x50. Total cost is $6000.  
Ideally a midi keyboard could switch between both layouts. Encompassing both 14x40 and 16x24 requires 16x40 = 640 keys. A 2x2 array of four Linnstruments makes 16x50. Total cost is $6000.  
=== 12-column layout===
This layout has keys one edostep apart adjacent to each other, forming a column. The top of one column "jumps" to the bottom of the next column. It's like the [https://hpi.zentral.zone/tonalplexus Tonal Plexus] layout, but omitting 80% of the keys to reduce 205-edo to 41-edo. Each column corresponds to a 12-edo note. The columns with white keys have 3 notes, and the columns with black keys have 4 notes. Most white keys have a black-key sharp to its upper right and a black-key flat to its lower left. This picture shows 2 octaves, with the white keys running C to C. 
[[File:41edo keyboard layout.png|none|thumb|517x517px]] 
To avoid awkward reaches when playing near the upper or lower edge of the keyboard, some duplication of pitches might be desirable, analogous to a button accordion having 5 rows of buttons but only 3 rows of reeds. This picture shows a layout in which every key appears twice. 
[[File:41-edo keyboard 2.jpg|none|thumb|795x795px]] 
Various hexagonal Lumatone layouts are a possibility too, see below. 
=== Bosanquet layout ===
A 7-column hexagonal layout. See the first lumatone link below. 


== High-end Options==
== High-end Options==
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