Overtone Music Network

a common space for harmonic overtones

# 432 tuning fork

On a facebook group we are debating about thia question (search IL diapason... "LA" a 432hz):
there is a theory (Ananda Bosman and others) that suggest to reduce the 440 frequency of the tuning fork to 432 Hz.
In my opinion it would be right to reduce the tuning fork frequency but it is a nonsense the number 432; you know what is the Hertz unit, it is in relation with the "second" time unit. If this time unit was more or less than the actual, the theory (and others) would be a poor bluff.
What do you think?

Tags: audio, fork, frequency, hertz, tuning

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### Replies to This Discussion

Thanks Christopher,
but I think I was misunderstood.
This question is the last of my problems, my life goes on anyway, I have got other problems more important than 432 Hz.
I don't want to show nothing, other people suggest the 432 Hz theory, not me.
But I'd like this people show us a good explanation; till now I only read about strange concepts and mathematical considerations without sense because of the "second" conventionality,as I said formerly. Period. No problem.
But I'm happy you, Skye and other friends gave me your opinions, :-)
I'm curious too, why 1 second = 1 second, but since I redefined my observations (thanks to this discussion here) - this issue is no longer related to sound and music for me. Now I can separately 1) manipulate proportional systems with each other 2) seek for resonant fields - with no concerns that 1-st concept is strictly connected to 2-nd one.

There are some folks who did really really scientific research on "432Hz" music perception, but I guess they focused too much on specific numbers, evading the rest. Or my knowledge is outdated (-;
31 cent ??? WoooooooooooW !

So the 7-th overtone must be somehow related to this !
May be thats why it sounds so deep-hearted !

It is 31 cent lower than on the piano - tempered tuning. :D
There are many different tempered tunings but you are probably thinking of 12TET (http://en.wikipedia.org/wiki/Equal_temperament)
The deviation between 440 and 432 Hz is 31.8 cent (log(440/432)x1200/log2)
The deviation between 7/4 (968,826 cent) and the equal tempered small seventh (1000 cent) is - as you can see - 31,174 cent.
So it is not the same thing.
The natural seventh sounds so deep hearted because it is part of the harmonic series!! -It IS the universal music.
Hi folks, if you are aiming at tuning a symphonie orchestra in 432 you will have work hard. It is ok to make a piece of music for different metal gadgets like forks, knifes and other kitchen utilities not tuned in 440. Ask an oboeist about tuning?

Greetings
Iver

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