Hello, Dave From: davethecompo...@users.sf.net To: tam...@users.sf.net Cc: davethecompo...@users.sf.net Subject: Extending the MIDI format in Timidity Date: Wed, 13 May 2015 15:48:05 +0000
> Hello, > > Forgive me for contacting you out of the blue like this but it's > getting tough to find people who know Timidity internals. > > Here's my problem. I'm creating a program that generates music > (www.platonicmusicengine.com) and it allows for pretty much any > musical idea one could ever have including alternate tunings. > > Currently the software generates a tuning table for each piece of > music and uses Timidity to convert that music with the tuning table > into an audio file. Works perfectly. > > The problem is when I have tunings that use more than 12 divisions of > the octave: it shrinks the available range of notes. For example if > you use a 256-EDO then you'd only have 128/256 = .5 octaves available > instead of the normal 128/12 = 10.666 octaves using standard tunings. > > There are several ways to overcome this (without using pitch bend > which has its own problems) using dynamic tables but my ideal solution > is this: > > Extend the MIDI format within Timidity to allow for a lot more notes. > And then for Timidity to load a much larger tuning table to handle all > those notes. > > I know I won't be able to convince the MIDI Group (whoever they are) > to do this but I was wondering if it's possible to make these changes > to Timidity? Obviously people would have to use this new version of > Timidity in order to take full advantage of my software but that would > be perfectly fine (my software is GPL). > > I am a composer and not a programmer and only know enough Lua to work > on my one project. If it is possible to modify Timidity like I > described I would certainly try to figure it out on my own but would > appreciate a lot of pointers. > > Thanks, > Dave Bellows Yes, TiMidity++ can handle many notes and also have larger internal tuning tables. For example, to get the full range of the 96-EDO tuning, one would need 1024 notes and corresponding tuning tables using MIDI Tuning Standard (MTS) specification. Attached MIDI file is just a quick hack that plays 96-EDO full scale. Good luck. Regards, TAMUKI Shoichi
96-EDO_full_scale_demo.mid
Description: audio/mid
------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y
_______________________________________________ Timidity-talk mailing list Timidity-talk@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/timidity-talk
