On 15/03/2016 23:29, Marc Sabatella wrote:
> Indeed, voice leading is good to optimize, but we also need good
> voicings for the initial chord of a section, where there is no
> previoia chord to base on.
I am speculating/thinking aloud and at this point I am beginning to
believe it is overengineering, but to get a globally optimum selection
of voicings, including the first chord, I don't think it would be
*terribly* difficult to cast the problem like this:
* have a lookup table with a standard library of voicings, 4 or 5 per
chord, in a fixed range (thus avoiding the "drfting problem")
* have a matrix of penalties for each pair of adjacent voicings, defined
to be as the sum of the broken rules, with weights (e.g. +1 for a step,
+5 for a leap, +100 for something Very Bad, etc, as outlined in David's
message)
* chose an optimal combination of chords to minimize the sum of penalties
I think a modern machine can be made to solve it reasonably fast for a
sequence of ~100 chords.
> Also, except for jazz, I think most people would probably expect the
> same chord symbol to always produce the same voicing, which is
> something else to consider.
Are you thinking "pop music"?
Because that crowd can probably be satisfied with a standard library of
open chords, wouldn't they?
Good night :)
--
Tobia Tesan
<tobia.te...@gmail.com>
<sip:tobia.te...@ekiga.net>
"If you don't fail at least 90 percent of the time, you're not aiming
high enough."
-- Alan Kay
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