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Re: Co-sponsoring Turkish notation support
From: |
Erik Sandberg |
Subject: |
Re: Co-sponsoring Turkish notation support |
Date: |
Mon, 3 Oct 2005 10:33:30 +0200 |
User-agent: |
KMail/1.8.1 |
On Monday 03 October 2005 09.15, Adam Good wrote:
> Hi,
>
> I've been in contact with Adam Good. Adam would like to typeset
> Turkish music, which comes with its own set of microtones, and
> accompanying glyphs. Turkish music divides the whole tone in 9 equal
> parts, and has accidentals for 1, 4, 5 and 8 ninths of a tone.
>
> There are many systems for defining and printing microtones; for
> example, there has been recent discussion on Helmholtz-Ellis notation,
> which uses with many subdivisions of the whole tone.
>
> In my opinion, it would be best if Lily were extended with a generic
> mechanism for entering and printing microtones, so we can support
> arbitrary styles. This is possible, since all microtonal notation
> uses the diatonic scale as a basis, and adds different signs for
> microtonal alterations to that.
>
> With this in mind, I propose the following solution
>
> - replace the current "alteration" field of pitch (+2 = sharp, -4 =
> double flat), with a pitch-bend field (+100 = sharp, -200 = double
> flat, +50 quarter tone sharp, etc.)
How about using 180 steps instead of 100? It would have the advantage that
it's divisible both by 2 and 9, and the fact that 360 represents a whole note
will make it easy to remember; 360 degrees often denotes "the whole" of a
circle.
--
Erik