Re: 432 or 440?
Originally Posted by
DavidKOS
"S0 ... you do realize the second is an arbitrary measurement, correct? ... There is no natural division of time to make the second what it is.
Well ... A few decades ago a bunch of scientists put their brains together and devised the atomic clock, which was based on variations in a particular isotope of cesium. This removed the definition of a second from an observation of repeating astronomical events, given to variances over time, and instead used a standard which was more consistent:
in 1967, the International Committee for Weights and Measures (abbreviated CIPM from the French Comité international des poids et mesures) changed the definition to:
the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom
This is a back-definition based on observations using the standard second at the time. So one could still argue it's arbitrary.
Originally Posted by
foldedpath
The very fast note decay on mandolin also avoids hearing any "beats" from sustained notes compared against each other.
This reminds me of the problems I had when I started using my EM-150 in a band. It was really hard to get it in tune, and if the strings in a pair were slightly out of tune the result was really annoying beats. Even if I got them in tune unfretted, the fretting action pulled them out of tune, unless I could magically stretch both string equally. My solution was to do away with pairs, opting for single strings instead.
But that's just my opinion. I could be wrong. - Dennis Miller
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