> On Aug 8, 2017, at 8:15 AM, Luis Sanjuán <luisj.sanj...@gmail.com> wrote:
> Hi, phillip
> As far as I'm concerned, professional musician too, I wrote a little app, 
> just a prototype, using a similar representation of pitch classes and 
> intervals for basic chord analysis. Since actual chords can be seen as 
> sequences of intervals, its analysis can be reduced to determine the chord 
> patterns actual chords match. This leads to at least all possible 
> interpretations. Further work, some AI for sure, would be needed to select 
> proper interpretations. Without that, though, a summary of possible matches 
> cuold be as is useful for students in the first years of Harmony

I've been trying to do something similar, representing chord-kinds as sequences 
of intervals and matching the possible chord patterns to the notes.

I've been basing it on the chord-labeling algorithm in a paper I found, 
"Algorithms for Chordal Analysis" by Bryan Pardo and William P. Birmingham, but 
there are a few situations where this doesn't label the correct chord. In 
particular when there are something like short arpeggios in the harmony and 
longer passing tones or suspensions in the melody, it gives more weight to the 
passing tones and suspensions.

Is that similar to the strategy you used? Is there any way to deal with passing 
tones like this?

Alex Knauth

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