Re: Microtonal midi output

[Hans Åberg]

> On 8 May 2021, at 22:18, brahim.pro <brahim.pro@protonmail.com> wrote:
> 
> Thanks for the reply. For example, I would like to play A minor scale with 
> normal A(440Hz). But I would like the interval A, B to be 203 cents instead 
> of 200. Or I would like the interval A, C to be 315 cents instead of 300 
> cents.
> 
> If I understand your answer correctly the note is tied to the midi value. But 
> I would like for that midi value generate a slightly different frequency. Is 
> that possible?

You can't do it like that. The MIDI value is tied to the note values, the other 
way around. And you can't adjust the tuning frequency, it is C4 not A4. One can 
do fine tunings by going up in ET, Graham Breed is doing that, but I do not 
keep track of that.


> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Saturday 8 May 2021 21:17, Hans Åberg <haberg-1@telia.com> wrote:
> 
>>> On 8 May 2021, at 20:33, brahim.pro brahim.pro@protonmail.com wrote:
>>> I would like to define a scale, let's say A minor, and slightly change the 
>>> frequency of the notes in the output MIDI file. I have trouble finding this 
>>> feature in the documentation. So does this feature exist and how to do that?
>> 
>> In LilyPond, the note and MIDI values are tied together, so you need to be 
>> more specific what you want to do. ETs multiples of 12 are straightforward, 
>> for example E72 is good approximation of the 11-limit. For arbitrary ETs, 
>> there is Graham Breed's fileregular.ly.
> 
>