Why not MTS-ESP?

Ah I see. That does sound reasonable. Thanks for the clarification. I do wonder if that recalculation is equally expensive for any tuning re-calculation.

A switch from 7 unequal parts per 2/1 centered on C=260hz to 13 equal parts per 3/1 centered on D=290Hz would obviously require each and every pipe be changed.

But if I make a switch which doesn't change the period or diapason, and which leaves most of the notes unchanged (say, altering the second degree from 9/8 to 10/9), does that require the same amount of calculations?

Let's say for exampe that note-on retuning would work, but dynamic re-tuning would not (which sounds likely). And let's also say that super dramatic tuning changes like my first example would take a while to become playable, but the other simpler case would not. Speaking for myself, I'd still much rather have that implementation than none at all!

Possibly worth noting: The MTS-ESP tuning changes aren't sample-accurate in any case. So when re-tuning instruments in note-on mode, we are practically already used to nudging the tuning automation early (or sending the tuning change early) to give the instruments time to update before the relevant note-ons happen. Inaccuracies anywhere from 128 to a few thousand samples are fairly normal, and the amount will change with the environment (DAW block size, record/playback etc). That safety window increasing slightly would be fine in my opinion.

This is a huge disappointment. The members of the wordwide microtonal community, including some famous composers, have been patiently waiting for a new version with support of microtuning, so that they could finally purchase the software, which, as is, remains useless for them (us).

Thanks everyone for your request and feedback.

Microtonality has been requested by many Organteq users, and we are aware of the lack of MTS-ESP support in Organteq 2.

MTS-ESP support has been in our minds since Organteq 1. However, we currently cannot tell if/when it will be implemented.