Diatonic range: Difference between revisions
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Created page with "The '''diatonic range''' is a size range of fifth interval defined by the corner intervals 4\7 and 3\5. Stacked (octave-reduced) fifths (<code>R5</code>) within this..." |
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The '''diatonic range''' is a size range of [[fifth]] interval defined by the | The '''diatonic range''' is a size range of the [[fifth]] interval defined by the bounds 4\7 and 3\5. | ||
Stacked ([[octave-reduced]]) fifths (<code>R5</code>) within this range build scales with distinguishable "diatonic whole tones" (<code>2*R5 - P8</code>), "diatonic semitones" (<code>3*P8 - 5*R5</code>), and "chromatic semitones" (<code>M2 - m2</code>) of a non-negative size. Some examples: | Stacked ([[octave-reduced]]) fifths (<code>R5</code>) within this range build scales with distinguishable | ||
* "diatonic whole tones" (<code>M2 := 2*R5 - P8</code>), | |||
* "diatonic semitones" (<code>m2 := 3*P8 - 5*R5</code>), and | |||
* "chromatic semitones" (<code>A1 := M2 - m2</code>) | |||
of a non-negative size. Some examples: | |||
{| class="wikitable center-all" | {| class="wikitable center-all" | ||
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== See also == | == See also == | ||
* [[5L 2s]] | |||
* [[Circle-of-fifths notation]] | * [[Circle-of-fifths notation]] | ||
* [[List of interesting fifths]] | * [[List of interesting fifths]] | ||
[[Category:Fifth]] | [[Category:Fifth]] | ||
Latest revision as of 12:32, 7 October 2021
The diatonic range is a size range of the fifth interval defined by the bounds 4\7 and 3\5.
Stacked (octave-reduced) fifths (R5) within this range build scales with distinguishable
- "diatonic whole tones" (
M2 := 2*R5 - P8), - "diatonic semitones" (
m2 := 3*P8 - 5*R5), and - "chromatic semitones" (
A1 := M2 - m2)
of a non-negative size. Some examples:
| 5th definition | Interval sizes (cents) | Comments | |||
|---|---|---|---|---|---|
| R5 | M2 | m2 | A1 | ||
| 4\7 | 686 | 171 | 171 | 0 | lower limit |
| 11\19 | 695 | 189 | 126 | 63 | 3:2 (L:s) |
| 7\12 | 700 | 200 | 100 | 100 | 2:1 (L:s) |
| 10\17 | 706 | 212 | 71 | 141 | 3:1 (L:s) |
| 3\5 | 720 | 240 | 0 | 240 | upper limit |