The alternative brightness notation provides 51 different regularly spaced interval names based on size. "Infra(minor)" and "ultra(major)" may be used in place of "arto" and "tendo", hence the use of infra- and ultra- prefixes in the distinguishing of multiple neutral intervals.
| Cents
|
Interval
|
Complement
|
| 0
|
Unison
|
Octave
|
| 0-12.5
|
Comma
|
Countercomma
|
| 12.5-37.5
|
Superunison
|
Suboctave
|
| 37.5-62.5
|
Ultraunison, arto second
|
Infraoctave, tendo seventh
|
| 62.5-87.5
|
Subminor second
|
Supermajor seventh
|
| 87.5-112.5
|
Minor second
|
Major seventh
|
| 112.5-137.5
|
Supraminor second
|
Submajor seventh
|
| 137.5-162.5
|
Neutral/inframajor/ultraminor second
|
Neutral/inframajor/ultraminor seventh
|
| 162.5-187.5
|
Submajor second
|
Supraminor seventh
|
| 187.5-212.5
|
Major second
|
Minor seventh
|
| 212.5-237.5
|
Supermajor second
|
Subminor seventh
|
| 237.5-262.5
|
Tendo second, arto third
|
Arto seventh, tendo sixth
|
| 262.5-287.5
|
Subminor third
|
Supermajor sixth
|
| 287.5-312.5
|
Minor third
|
Major sixth
|
| 312.5-337.5
|
Supraminor third
|
Submajor sixth
|
| 337.5-362.5
|
Neutral/inframajor/ultraminor third
|
Neutral/inframajor/ultraminor sixth
|
| 362.5-387.5
|
Submajor third
|
Supraminor sixth
|
| 387.5-412.5
|
Major third
|
Minor sixth
|
| 412.5-437.5
|
Supermajor third
|
Subminor sixth
|
| 437.5-462.5
|
Tendo third/arto fourth
|
Arto sixth/tendo fifth
|
| 462.5-487.5
|
Subfourth
|
Superfifth
|
| 487.5-512.5
|
Fourth
|
Fifth
|
| 512.5-537.5
|
Superfourth
|
Subfifth
|
| 537.5-562.5
|
Tendo fourth/arto tritone
|
Tendo tritone/arto fifth
|
| 562.5-587.5
|
Subtritone
|
Supertritone
|
| 587.5-612.5
|
Tritone
|
Tritone
|
There are a total of 67 standard interval names, although they are assigned to 48 25c regions. However, the alternative names can be used to distinguish multiple intervals in the same region (as is the case with 53edo's thirds).
| Modification
|
Quality (from perfect)
|
|
| -200
|
Double-diminished
|
|
| -175
|
Supra-double-diminished
|
|
| -150
|
Artodiminished
|
|
| -125
|
Subdiminished
|
|
| -100
|
Diminished
|
|
| -75
|
Supradiminished
|
|
| -50
|
Arto
|
|
| -25
|
Sub
|
(Subminor)
|
| 0
|
Perfect
|
(Minor, supraminor, neutral, submajor, major)
|
| 25
|
Super
|
(Supermajor)
|
| 50
|
Tendo
|
|
| 75
|
Subaugmented
|
|
| 100
|
Augmented
|
|
| 125
|
Superaugmented
|
|
| 150
|
Tendoaugmented
|
|
| 175
|
Sub-double-augmented
|
|
| 200
|
Double-augmented
|
|