Re: [LAU] Chord finder

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To: linux-audio-user <linux-audio-user@...>
Date: Thursday, July 12, 2012 - 5:21 pm

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On Thu, Jul 12, 2012 at 10:13 PM, Funs Seelen wrote:

> Hello,

Yes That is what I was saying (on that list)
http://mail.python.org/pipermail/python-list/2012-July/626135.html

This was in response to the statement that there is no B# except when its C
http://mail.python.org/pipermail/python-list/2012-July/626127.html
and suggesting that a 12-tone (chromatic?) scale is the best foundation for
music

They happen to represent the same frequency in equal temperament but that's

As I understand it the foundation of almost all (western) music is the
tempered scale and tempering comes about by amortizing the pythagorean
comma so that we dont 'notice' it.

The pythagorean comma is (by definition??) the gap between B# and C where
by B# means the 12th in a circle of perfect fifths starting at C.

See http://en.wikipedia.org/wiki/Pythagorean_comma

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On Thu, Jul 12, 2012 at 10:13 PM, Funs S=
eelen <funsseelen@gmail.com> wrote:
Hello,I'm new to this list. This topic immediately got my attention=
because of some surprising statements related to music theory that were po=
sed.On Thu, Jul 12, 20=
12 at 5:42 PM, Rustom Mody <rustompmody@gmail.com> wrote=
:

I recent=
ly got into an argument (on the python list so more OT there than here :-) =
) about whether a B# is the same=A0 as C.=A0 If we allow that they may not =
always be the same then we have a case where the theory-of-musical-harmony =
(may be) breaking.

I don't understand what yo=
u mean with "theory-of-musical-harmony". Not intended to repeat a=
n earlier discussion on another list, but C and B# are definitely not the s=
ame.
Yes That is what I was saying (on that list)http://mail.py=
thon.org/pipermail/python-list/2012-July/626135.html
This was i=
n response to the statement that there is no B# except when its C
http://mail.python.org/pipermail/python-list/2012-July/626127.html<=
br>and suggesting that a 12-tone (chromatic?) scale is the best foundation =
for music
They happen=
to represent the same frequency in equal temperament but that's all. O=
n keyboards with 12 fixed pitches per octave (like a piano) they will also =
be represented by the same key, whether tempered equal, according to Werckm=
eister's theories or else. However theoretically they are different not=
es. That's one big part of the problem piano tuners have to deal with. =
Very recently I published an external for Pure Data (http://student-kmt.=
hku.nl/~funs/software.html
) that translates midi notes to frequency wit=
h a variable semitone and a settable modulation (set of notes to be represe=
nted by the 12 keys). One of its effects is that B# and C represent a diffe=
rent frequency unless a semitone is exactly set to half a whole tone (like =
in equal temperament, equal division in 12). I don't feel anything brea=
king in any case, or I might have understood you wrong.

--Funs
As I understand it the foundation of a=
lmost all (western) music is the=20
tempered scale and tempering comes about by amortizing the pythagorean=20
comma so that we dont 'notice' it.

The pythagorean comma is (by definition??) the gap between B# and C=20
where by B#=A0 means the 12th in a circle of perfect fifths starting at C. =
See http=
://en.wikipedia.org/wiki/Pythagorean_comma

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Messages in current thread:
Re: [LAU] Chord finder, Ralf Mardorf, (Tue Jul 3, 12:12 am)
Re: [LAU] Chord finder, Bob van der Poel, (Tue Jul 3, 12:34 am)
Re: [LAU] Chord finder, Ralf Mardorf, (Tue Jul 3, 12:52 am)
Re: [LAU] Chord finder, Ricardus Vincente, (Tue Jul 3, 12:41 am)
Re: [LAU] Chord finder, Ralf Mardorf, (Tue Jul 3, 12:57 am)
Re: [LAU] Chord finder, Oon-Ee Ng, (Tue Jul 3, 2:38 am)
Re: [LAU] Chord finder, Ralf Mardorf, (Tue Jul 3, 6:40 am)
Re: [LAU] Chord finder, Rustom Mody, (Thu Jul 12, 3:43 pm)
Re: [LAU] Chord finder, S C Rigler, (Thu Jul 12, 5:15 pm)
Re: [LAU] Chord finder, Funs Seelen, (Thu Jul 12, 4:43 pm)
Re: [LAU] Chord finder, Rustom Mody, (Thu Jul 12, 5:40 pm)
Re: [LAU] Chord finder, Funs Seelen, (Fri Jul 13, 9:19 am)
Re: [LAU] Chord finder, Rustom Mody, (Thu Jul 12, 5:21 pm)
Re: [LAU] OT: Chord finder, Ralf Mardorf, (Tue Jul 17, 7:56 am)
Re: [LAU] OT: Chord finder, Funs Seelen, (Tue Jul 17, 10:53 am)
Re: [LAU] OT: Chord finder, Funs Seelen, (Tue Jul 17, 11:15 am)
Re: [LAU] OT: Chord finder, Ralf Mardorf, (Tue Jul 17, 11:51 am)
Re: [LAU] OT: Chord finder, Ralf Mardorf, (Tue Jul 17, 11:39 am)
Re: [LAU] OT: Chord finder, Funs Seelen, (Tue Jul 17, 12:11 pm)
Re: [LAU] OT: Chord finder, Ralf Mardorf, (Tue Jul 17, 12:22 pm)
Re: [LAU] OT: Chord finder, Funs Seelen, (Tue Jul 17, 12:57 pm)
Re: [LAU] OT: Chord finder, Rustom Mody, (Tue Jul 17, 9:36 am)
Re: [LAU] OT: Chord finder, Ralf Mardorf, (Tue Jul 17, 8:01 am)
Re: [LAU] Chord finder, Funs Seelen, (Fri Jul 13, 9:05 am)
Re: [LAU] Chord finder, Fons Adriaensen, (Fri Jul 13, 9:29 am)
Re: [LAU] Chord finder, Lorenzo Sutton, (Fri Jul 13, 9:41 am)
Re: [LAU] Chord finder, Funs Seelen, (Fri Jul 13, 9:24 am)
Re: [LAU] Chord finder, Raffaele Morelli, (Tue Jul 3, 8:39 am)
Re: [LAU] Chord finder, Kevin Thoma, (Tue Jul 3, 8:47 am)
Re: [LAU] Chord finder, immanuel litzroth, (Tue Jul 3, 9:03 am)
Re: [LAU] Chord finder, Ralf Mardorf, (Tue Jul 3, 7:05 am)
Re: [LAU] Chord finder, Robin Paulson, (Thu Jul 5, 12:16 pm)
Re: [LAU] Chord finder, Bob van der Poel, (Tue Jul 3, 12:48 am)