[sdiy] How to get any TET from your Deepmind12

ColinMuirDorward colindorward at gmail.com
Wed Feb 19 01:29:58 CET 2020

Ha, well put, Chris.
Yes, like Adam said, it's simply the number of notes in an octave, spread
in equal increments. aka EDO (equal division of the octave)
It's nice to switch that up and try some other tunings. A bit like tasting
different cuisines. There are a lot of notes to choose from!
Colin

On Tue, Feb 18, 2020 at 10:26 PM Adam Inglis (sdiy) <synthdiy at adambaby.com>
wrote:

> 12 tone equal temperament is the traditional (thanks JS Bach) division of
> the octave.
>
> On 19 Feb 2020, at 1:19 pm, Chris McDowell <declareupdate at gmail.com>
> wrote:
>
> What is blazes is TET?!
>
>
>
> On Feb 18, 2020, at 5:11 PM, ColinMuirDorward <colindorward at gmail.com>
> wrote:
>
> I just posted this on one of the forums, but perhaps someone here might
> find it useful as well.
>
> I'm sure lots of folks have figured it out already, but it wasn't till two
> years after buying a DM12 that I realised you could get pretty much any
> equal division of the octave tuning out of it. Here's how:
>
> You'll need two modulation slots. NoteNum->PitchCoarse and
> NoteNum->PitchFine.
>
> To solve for the coarse amount use (1536-128(TET))/TET
>
> You'll probably get something like -54.8571 (this is for 21TET).
> (BTW, it's negative because we need to reduce the key scaling down from
> the hardwired 12TET amount. If you plugged in for 10TET, you'd get a
> positive value.)
>
> So, round that to -55 and plug it into your coarse amount. Now we get out
> our FineTune to trim the error away.
>
> Multiply the difference by 256. So that's 256*0.142857... giving us
> 36.5714. Round that to 37 and enter that into the NotNum->fine tune amount.
> Note that this is a positive modulation amount because we rounded our
> coarse down to 55, which made the spread a wee bit more than 21tet.
> Also you can just trim the fine amount by ear.
>
> Done!
>
> I believe this works for any TET up to 1536TET.
>
>
> --
> https://www.instagram.com/colinmuirdorward/
> -
> <https://www.instagram.com/colinmuirdorward/>
> https://www.instagram.com/ssdp_synthesis/
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at synth-diy.org
> http://synth-diy.org/mailman/listinfo/synth-diy
>
>
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at synth-diy.org
> http://synth-diy.org/mailman/listinfo/synth-diy
>
>
>

--
https://www.instagram.com/colinmuirdorward/
-
<https://www.instagram.com/colinmuirdorward/>
https://www.instagram.com/ssdp_synthesis/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20200218/15723365/attachment.htm>