Hace unos cuantos años se utilizaba todo tipo de afinaciones, la ISO puso como norma general afinar el LA a 440Hz.
Después de investigar e llegado a la conclusión de que es mas natural a 432 Hz y el Do afinado a 256Hz
Esto tiene su explicación. Si tomamos Do como primera nota debería ser 1 Hz si vamos sumando de octava: 1,2,4,8,16,(0)32,(1)64,(2)128,(3)256Hz y LA a 432Hz según la escala de temperamento variado ( de las doce octavas).
Imágenes ilustradas:
Comparación visual de los tonos en 440 y 432
Source youtube
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