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Cédric Ringenbach Math et Musique Ignite#8 Café Dune – 18/10/2010
Les  Harmoniques
1 2 3 4 5 6 etc.
L L/2
L L/3 L/2 L/4 L/5 L/6
x2 x3 Do Do Sol x1
x2 x3 x4 x5 x6 Do Do Sol Do Mi Sol x1
x2 x3 x4 x5 x6 Do Do Sol Do Mi Sol Accord Majeur x1
x2 x3 x4 x5 x6 Do Do Sol Do Mi Sol Accord Majeur x7   x1
1/7
Do Mi Sol Do Mi 4 5 Do Sol 2 3
La gamme  Chromatique
Do Ré Mi Fa Sol La Si Do Do# Mi Fa# Sol Si b b
Longueur Fréquence F = 1 / L k
k k 12  = 2 k =  12 √2
k ( 12 √2) 4 Do Mi Do Sol ( 12 √2) 7
( 12 √2) 4 ( 12 √2) 7 4 5 2 3 Do Mi Do Sol
( 12 √2) 4 ( 12 √2) 7 4 5 2 3 Do Mi Do Sol
( 12 √2) 7 2 3
( 12 √2) 4 4 5
( 12 √2) 4  1,259921 4 5 1,25 ( 12 √2) 7   1,498307 2 3 1,5
Fin

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Igite Paris n°8 - Cédric Ringenbach - Math et Musique

Notes de l'éditeur

  1. Café dune : 18 av. Claude Vellefaux, 75010 Paris Mauna Loa : Vostok : 78°27' S 106°52' E Dome C : 75°06′S 123°20′E .