2024-10-29 22:29:59 +01:00
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#!/usr/bin/Rscript
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2024-10-30 11:29:19 +01:00
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q=3/2 # Facteur de quinte theorique
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t=5/4 # Facteur de tierce theorique
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2024-10-29 22:29:59 +01:00
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2024-10-30 11:29:19 +01:00
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## Construction de la gamme naturelle
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## Les divisions par deux: pour rammener à l'octave
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2024-10-29 22:29:59 +01:00
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do4=261.63 # do fréquence par convention
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sol4=do4*q
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re4=sol4*q/2
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fa4=do4*(1/q)*2
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mi4=do4*t
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sol4d=mi4*t
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re4d=sol4d*q/2
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si4=sol4*t
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fa4d=si4*q/2
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la4d=fa4d*t
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la4=fa4*t
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do4d=la4*t/2
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2024-10-30 11:29:19 +01:00
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## On affiche le résultat
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2024-10-29 22:29:59 +01:00
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names=c("do","do#reb","re","re#/mib","mi","fa","fa#/solb","sol", "sol#/lab", "la", "la#/sib", "si")
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frequences=c(do4,do4d,re4,re4d,mi4,fa4,fa4d,sol4,sol4d,la4,la4d,si4)
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for( e in Map(list,names,frequences)){
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message(paste0(sprintf("%-8s",e[[1]])," ",e[[2]],"Hz"))
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}
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