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huygens-fokker foundation
Description
Website of the Huygens-Fokker Foundation, centre for microtonal music..
Microtonal music, tuning, centre, concert, temperament,
instrument, music, archive, 31-tone tuning, non-western, intonation, just
intonation, meantone, microtone, organ, chord
Microtonal music, tuning, centre, concert, temperament,
instrument, music, archive, 31-tone tuning, non-western, intonation, just
intonation, meantone, microtone, organ, chord
Category
Keywords
Date
May 3, 2005
Contact name
Email
Link ID
8161
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Other links at Theory, Tuning...
Learning Music by Jim Allen: There's a difference between learning to play an instrument from a printed page and learning music. It's like operating a typewriter.
I know a lady who is very efficient on a typewriter keyboard, and can type circles around me as long as she has some sort of copy to work from. But when she wants to produce something original, such as a personal letter, she has to write it down in longhand first and then type it.
My typing skills aren't the greatest, but I am a writer. A typewriter or computer keyboard is an extension of my brain. My creative thoughts flow from my brain to the keyboard.
Much of so-called music education is aimed at teaching the student to transcribe the notes from a printed page to a specific instrument. A person can become fairly proficient at doing this and impress audiences, but this is only a tiny part of learning music ...
I know a lady who is very efficient on a typewriter keyboard, and can type circles around me as long as she has some sort of copy to work from. But when she wants to produce something original, such as a personal letter, she has to write it down in longhand first and then type it.
My typing skills aren't the greatest, but I am a writer. A typewriter or computer keyboard is an extension of my brain. My creative thoughts flow from my brain to the keyboard.
Much of so-called music education is aimed at teaching the student to transcribe the notes from a printed page to a specific instrument. A person can become fairly proficient at doing this and impress audiences, but this is only a tiny part of learning music ...
Category:
The musical temperament of Bach comprises within its circle 5 well tempered fifths and 7 perfect fifths.
Bach,
Das wohltemperierte Clavier,
Das wohltemperirte Clavier,
wohltemperiert,
wohltemperirt,
well-tempered,
welltempered,
well tempered,
Forty-Eight,
Musical temperament,
tuning,
organ,
organs,
harpsichord,
Orgeln,
Cembali,
Werckmeister,
Kirnberger,
Herbert Anton Kellner
Bach,
Das wohltemperierte Clavier,
Das wohltemperirte Clavier,
wohltemperiert,
wohltemperirt,
well-tempered,
welltempered,
well tempered,
Forty-Eight,
Musical temperament,
tuning,
organ,
organs,
harpsichord,
Orgeln,
Cembali,
Werckmeister,
Kirnberger,
Herbert Anton Kellner
Category:
LA PETITE ENCYCLOPÉDIE DES ÉCHELLES ET DES MODES:
Les 350 échelles
LA PETITE ENCYCLOPÉDIE DES ÉCHELLES ET DES MODES" aurait pu éventuellement recenser l'échelle à 1 degré ( 1 seul mode ).
La raison pour laquelle cette échelle n'a pas été comptabilisée, c'est qu'elle est commune à absolument tous les systèmes ( intonations justes, tempéraments, divisions égales de n'importe quels intervalles en n'importe quels nombres, générateurs de n'importe quelles grandeurs ) : elle a donc une place bien à part, "hors concours"!
Ici, "échelle" aurait eu la même signification que "mode"!
Par rapport au système à 12 demi-tons il y a en théorie 12 "gammes" ( si on peut encore appeler "gamme" une seule et unique note! ) mais dans la pratique les BOLS TIBETAINS ( ou JAPONAIS ou CHINOIS ) sont accordés sur des fréquences infiniment variables ...
En BOHLEN-PIERCE ( 13 notes dans la 12ème harmonique ) il y en a 630
En ARMODUE ( 16 ekas par décime ) il y en a 4 115
Dans les systèmes à 12 notes ( sans tenir compte de la microtonalité ), il existe:
6 échelles à 2 degrés
19 échelles à 3 degrés
43 échelles à 4 degrés
66 échelles à 5 degrés
80 échelles à 6 degrés
66 échelles à 7 degrés
43 échelles à 8 degrés
19 échelles à 9 degrés
6 échelles à 10 degrés
1 échelle à 11 degrés
1 échelle à 12 degrés,
On ne peut pas entendre une échelle, car dès que vous cliquez sur une note,
vous entendez les autres notes à partir de celle que vous avez choisie.
Ce que vous entendez s'appelle un MODE (représenté en notes) et non plus une échelle.
Vous constaterez en cliquant sur les degrés, que chacun d'entre eux produit une petite
mélodie différente de celle produite par les autres degrés ...
Les 350 échelles
LA PETITE ENCYCLOPÉDIE DES ÉCHELLES ET DES MODES" aurait pu éventuellement recenser l'échelle à 1 degré ( 1 seul mode ).
La raison pour laquelle cette échelle n'a pas été comptabilisée, c'est qu'elle est commune à absolument tous les systèmes ( intonations justes, tempéraments, divisions égales de n'importe quels intervalles en n'importe quels nombres, générateurs de n'importe quelles grandeurs ) : elle a donc une place bien à part, "hors concours"!
Ici, "échelle" aurait eu la même signification que "mode"!
Par rapport au système à 12 demi-tons il y a en théorie 12 "gammes" ( si on peut encore appeler "gamme" une seule et unique note! ) mais dans la pratique les BOLS TIBETAINS ( ou JAPONAIS ou CHINOIS ) sont accordés sur des fréquences infiniment variables ...
En BOHLEN-PIERCE ( 13 notes dans la 12ème harmonique ) il y en a 630
En ARMODUE ( 16 ekas par décime ) il y en a 4 115
Dans les systèmes à 12 notes ( sans tenir compte de la microtonalité ), il existe:
6 échelles à 2 degrés
19 échelles à 3 degrés
43 échelles à 4 degrés
66 échelles à 5 degrés
80 échelles à 6 degrés
66 échelles à 7 degrés
43 échelles à 8 degrés
19 échelles à 9 degrés
6 échelles à 10 degrés
1 échelle à 11 degrés
1 échelle à 12 degrés,
On ne peut pas entendre une échelle, car dès que vous cliquez sur une note,
vous entendez les autres notes à partir de celle que vous avez choisie.
Ce que vous entendez s'appelle un MODE (représenté en notes) et non plus une échelle.
Vous constaterez en cliquant sur les degrés, que chacun d'entre eux produit une petite
mélodie différente de celle produite par les autres degrés ...
Category:
Wolfstone Halloween - Speaker Impedance Matching.
Every haunt needs spooky sounds, and if you have just one speaker (mono) or one set of speakers (stereo), life is easy. Life gets complicated when you have several speakers that you want to hook up together to put the sound in more areas, or handle more power.
If you are really serious about this, you will probably want a 70-Volt speaker system. But if you rather save a couple of bucks and do a lot of hand tuning ...
What type of amplifier do you have?
Where do you find impedance?
Speaker impedance
Amplifier impedance
Why impedance-matching matters
Can you survive impedance mismatch?
What's out there?
Changing The Impedance Of Speakers
Using Many Speakers
Impedance with multiple speakers
Series circuit
Parallel circuit
Series-Parallel circuit
Complex circuits ...
Every haunt needs spooky sounds, and if you have just one speaker (mono) or one set of speakers (stereo), life is easy. Life gets complicated when you have several speakers that you want to hook up together to put the sound in more areas, or handle more power.
If you are really serious about this, you will probably want a 70-Volt speaker system. But if you rather save a couple of bucks and do a lot of hand tuning ...
What type of amplifier do you have?
Where do you find impedance?
Speaker impedance
Amplifier impedance
Why impedance-matching matters
Can you survive impedance mismatch?
What's out there?
Changing The Impedance Of Speakers
Using Many Speakers
Impedance with multiple speakers
Series circuit
Parallel circuit
Series-Parallel circuit
Complex circuits ...
Category:
Hans Straub's MaMuTh Page:
What is "MaMuTh"?
This word, invented by Guerino Mazzola, is a shortcut for "Mathematical Music Theory" and stands for any use of mathematical methods in music theory or music generally.
If you think it is rather a prehistoric shaggy elephant and should be spelled differently, you are partly right. To see a picture of the elephant, click here. (But about the spelling, I have to insist...)
About the author
From 1984 to 1989, I studied mathematics and computer science at the Swiss Federal Institute of Technology (ETH). During this time I came in contact with the amazing theories of Guerino Mazzola which fascinated me right away - one reason being the possibility to combine my profession with music, one of my great private passions. I then had the opportunity to write my thesis in this field. Nowadays it has been some years since I left the university and went into software development (the place I work is here); mathematics as well as music are now just hobbies - and not the least important effect of MaMuTh is now that it has inspired me to some of my recent musical compositions - On-To-Sû, So-Na-Ta and Asîmchômsaia are two examples presented on this site. Concerning theory, my writings serve merely as an introduction to the subject; for current academic research I recommend the links section.
What is "MaMuTh"?
This word, invented by Guerino Mazzola, is a shortcut for "Mathematical Music Theory" and stands for any use of mathematical methods in music theory or music generally.
If you think it is rather a prehistoric shaggy elephant and should be spelled differently, you are partly right. To see a picture of the elephant, click here. (But about the spelling, I have to insist...)
About the author
From 1984 to 1989, I studied mathematics and computer science at the Swiss Federal Institute of Technology (ETH). During this time I came in contact with the amazing theories of Guerino Mazzola which fascinated me right away - one reason being the possibility to combine my profession with music, one of my great private passions. I then had the opportunity to write my thesis in this field. Nowadays it has been some years since I left the university and went into software development (the place I work is here); mathematics as well as music are now just hobbies - and not the least important effect of MaMuTh is now that it has inspired me to some of my recent musical compositions - On-To-Sû, So-Na-Ta and Asîmchômsaia are two examples presented on this site. Concerning theory, my writings serve merely as an introduction to the subject; for current academic research I recommend the links section.
Category:
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