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by Dave Keenan
Sun Nov 06, 2016 12:17 am
Forum: Glyph design and Handwriting
Topic: New Olympian diacritics
Replies: 0
Views: 685

New Olympian diacritics

Many thanks to Xen-Gedankenwelt for helping to get the full set of Sagittal symbols up as "smilies" on this forum. View more smilies None of the recently uploaded symbols will be of any interest to those of you using the "mixed" Sagittal notation, as this only requires the single...
by Dave Keenan
Sat Nov 05, 2016 6:04 pm
Forum: Linear Temperament notations
Topic: List of 7-prime limit accidentals
Replies: 13
Views: 1903

Re: List of 7-prime limit / 6125-odd limit accidentals

Xen, Thank you so much for doing that tedious job. I've finally got the rest of the information together and put them up on the forum, tested them and hopefully fixed all my naming and encoding errors. Your work was flawless. So we finally have the full set of Sagittal symbols available on the forum...
by Dave Keenan
Thu Nov 03, 2016 7:06 pm
Forum: Linear Temperament notations
Topic: List of 7-prime limit accidentals
Replies: 13
Views: 1903

Re: List of 7-prime limit / 6125-odd limit accidentals

I think your asterisk note above should say "* ambiguous, usually refers to a different comma" rather than "... different accidental". The ratios are a mixed collection from personal experience, my own comma lists, commas from popular temperaments, or commas / ratios from the fol...
by Dave Keenan
Wed Nov 02, 2016 7:24 pm
Forum: Linear Temperament notations
Topic: List of 7-prime limit accidentals
Replies: 13
Views: 1903

Re: List of 7-prime limit / 6125-odd limit accidentals

One accidental pair which I'd be interested in is for 256:245, the difference between 8/7 and 35/32. 245:256 is :.::~~||: which is the apotome-complement of :'::~|): i.e. :.::~~||: = :.::~!)::#: 9:10 is :.::)X(: = :.::\ \!::x: You should be able to get the rest from George's spreadsheet, using figu...
by Dave Keenan
Wed Nov 02, 2016 5:21 pm
Forum: Linear Temperament notations
Topic: List of 7-prime limit accidentals
Replies: 13
Views: 1903

Re: List of 7-prime limit / 6125-odd limit accidentals

That's marvelous work, Xen. For Moments of Symmetry based on pentatonic scales, it would be very useful to have accidentals for 16:15 and 256:243. 15:16 is :.::/||\: 256:243, the limma, is :.::||\: I think I'd prefer to use two accidentals for neutral or major second-sized ratios like 160/147 or 9/8...
by Dave Keenan
Sun Oct 30, 2016 6:04 pm
Forum: Equal Division notations
Topic: EDOs with multiple prime mappings
Replies: 42
Views: 3762

Re: EDOs with multiple prime mappings

I must admit this comes as rather a shock, after having come around to your way of thinking regarding the use of fractional 3-limit notations, at least in the case of EDOs with medium to large errors in their fifths. Alright, I've banged my head against the wall long enough. What was the metaphorica...
by Dave Keenan
Sun Oct 23, 2016 1:58 pm
Forum: Interval and Chord names
Topic: Chord Names in Sagittal
Replies: 9
Views: 1497

Re: Chord Names in Sagittal

Ok so just to clarify. P and p means Pao-major and Pai-minor, T and t mean Tai-major, and Tao-minor. Right? I thought I understood your intention there and was willing to go along with it and see how it panned out. But I thought you would use uppercase P for Pai because it is an upward alteration a...
by Dave Keenan
Sun Oct 23, 2016 12:31 pm
Forum: Interval and Chord names
Topic: Chord Names in Sagittal
Replies: 9
Views: 1497

Re: Chord Names in Sagittal

Hmm, so you're suggesting we use the pai7 as the default 7? Why not the tao7? Because the pai-flat 7 is the default in conventional music (where pai vanishes). The default 7th in 12-edo is not the tao-flat 7th (harmonic seventh). I would modify the above as: 1. No need to qualify the triad if it's ...
by Dave Keenan
Sun Oct 23, 2016 12:21 am
Forum: Interval and Chord names
Topic: Chord Names in Sagittal
Replies: 9
Views: 1497

Re: Chord Names in Sagittal

Why not go the next step and drop the p and P and just call them Ct7 and C7? Because we don't do that in 12 EDO anyway, Cm7 means C Eb G Bb so Ct7 implies there is both a tai 3rd and tai 7th. Good point regarding Ct7. It would need to be written "C.t7" for it to be the approximate 4:5:6:7...
by Dave Keenan
Sat Oct 22, 2016 11:35 pm
Forum: Just Intonation notations
Topic: 13-limit JI
Replies: 51
Views: 6666

Re: 13-limit JI

On 2016-Sep-13, I wrote to Daniel Spreadbury (at Steinberg): Hi Daniel, I did post your explanation to the Sagittal forum. You can see a response here: http://forum.sagittal.org/viewtopic.php?p=372#p372 I just want to point out that since Dorico will only allow microtonality via EDOs, in order to no...

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