128/121: Difference between revisions
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| Sound = Ji-128-121-csound-foscil-220hz.mp3 | | Sound = Ji-128-121-csound-foscil-220hz.mp3 | ||
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'''128/121''', the '''Alpharabian diatonic semitone''', or '''octave-reduced 121st subharmonic''', is an [[11-limit]] semitone with a value of roughly 97.36412 cents. As the name "Alpharabian diatonic semitone" suggests, it acts as the diatonic counterpart to the [[1089/1024]], with the two intervals adding up to a [[9/8]] whole tone. | '''128/121''', the '''Alpharabian diatonic semitone''', or '''octave-reduced 121st subharmonic''', is an [[11-limit]] semitone with a value of roughly 97.36412 cents. As the name "Alpharabian diatonic semitone" suggests, it acts as the diatonic counterpart to the [[1089/1024]], with the two intervals adding up to a [[9/8]] whole tone. Furthermore its status as a semitone can be verified by the fact that just as a diatonic semitone and a chromatic semitone add up to make a whole tone, a similar pairing of quartertones- namely [[4096/3993]] and [[33/32]], add up to 121/128. | ||
== See also == | |||
* [[121/64]] – its [[octave complement]] | |||
[[Category:11-limit]] | [[Category:11-limit]] | ||
Revision as of 18:32, 27 October 2020
| Interval information |
octave-reduced 121st subharmonic
reduced subharmonic
[sound info]
128/121, the Alpharabian diatonic semitone, or octave-reduced 121st subharmonic, is an 11-limit semitone with a value of roughly 97.36412 cents. As the name "Alpharabian diatonic semitone" suggests, it acts as the diatonic counterpart to the 1089/1024, with the two intervals adding up to a 9/8 whole tone. Furthermore its status as a semitone can be verified by the fact that just as a diatonic semitone and a chromatic semitone add up to make a whole tone, a similar pairing of quartertones- namely 4096/3993 and 33/32, add up to 121/128.
See also
- 121/64 – its octave complement