On Wednesday, August 16, 2017 at 3:42:38 PM UTC+2, Alex Knauth wrote:
> > On Aug 8, 2017, at 10:42 AM, Luis Sanjuán wrote:
> >
> > On Tuesday, August 8, 2017 at 3:16:46 PM UTC+2, Alex Knauth wrote:
>
> >> I've been basing it on the chord-labeling algorithm in a paper I found,
> >> "Algorithms f
> On Aug 8, 2017, at 10:42 AM, Luis Sanjuán wrote:
>
> On Tuesday, August 8, 2017 at 3:16:46 PM UTC+2, Alex Knauth wrote:
>> 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
On Tuesday, August 8, 2017 at 3:16:46 PM UTC+2, Alex Knauth wrote:
> > On Aug 8, 2017, at 8:15 AM, Luis Sanjuán 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
On Tuesday, August 8, 2017 at 3:16:46 PM UTC+2, Alex Knauth wrote:
> > On Aug 8, 2017, at 8:15 AM, Luis Sanjuán 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
On Tuesday, August 8, 2017 at 3:16:46 PM UTC+2, Alex Knauth wrote:
> > On Aug 8, 2017, at 8:15 AM, Luis Sanjuán 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
> On Aug 8, 2017, at 8:15 AM, Luis Sanjuán 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
> s
EDIT.
In the description of the 'Interval' data type, replace 'notes' with
'pitch-classes'
In the signature of the function `interval`, replace 'Nat' with 'Interval'
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I forgot to mention that, of course, you can rely on structs as Alex
recommends, I used just naturals to simplify the code.
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Expanding on what Alex has already point out, you can do something like this:
;; PitchClass is one of
(define C 0)
(define C# 1)
(define D 2)
(define D# 3)
(define E 4)
(define F 5)
(define F# 6)
(define G 7)
(define G# 8)
(define A 9)
(define A# 10)
(define B 11)
;; Interval is Natural
;; number
> On Aug 6, 2017, at 6:16 PM, Jordan Johnson wrote:
>
> Hi all,
>
> I’m writing some music-related code for which I find myself using a lot of
> lookup tables, following the pattern of making an alist or hash table and
> then writing a function that consults the table. I wound up writing a ma
Hi all,
I’m writing some music-related code for which I find myself using a lot of
lookup tables, following the pattern of making an alist or hash table and then
writing a function that consults the table. I wound up writing a macro for this
pattern; one example of its use is:
;; key->fifths :
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