Author: William
Date: 2018-08-17 21:49
The overtones produced above a fundamental pitch are termed the "Just" harmonic series....or the series produced in nature. A scale on a piano may be tured perfectly to this "just" ratio, but it cannot then use those same notes in any other key. Example: the E in a perfectly tuned C major scale, will not be in tune in the A major scale. Therefore, you cannot tune your keyboard with an electronic tuner because it uses the "just" system. You must use the "tempered" system in tuning the piano or any set keyboard instrument so that you can go from one key to another and have everything sound in tune to our ears.
So, yes, when producing overtones on a clarinet, some of them will sound "out of tune" because we are so used to hearing intonation according to the tempered series rather than the just, which is what your clarinet is producing. That is also why it is so difficult, or impossible, to build a wind instrument that is perfectly in tune....that is why trumpets all have third valve triggers and we clarinetists have to lip certain notes up of down for acceptable ensemble intonation.
BTW......it is common joke that pianos are horribly out of tune (to natures perfect "just" harmonic series, that is)
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The Clarinet BBoard
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