Spectrography
If you know just a little of how to use a graph called a Spectrogram, you may find[Are_PayPal_LoginPlease] observing them useful in helping your performance.
The Spectrograms you see in Audacity, for example, allow you to see a few things. First… the less of the second color(darker blue), the better. The thinner the first color(lighter blue), the better… though the lighter blue should always be thicker than the darker blue. Ideally, you should have the darker blue and lighter blue staying less than +.5/-.5 for any note you perform. If you follow these recommendations, you can over time tell the difference between a ‘clean’ note and a ‘dirty’ note. If the second color is equal or greater in thickness to the first color, your note is ‘dirty’. If both the width of the first color(lighter blue) and the second color(darker blue) are a slight less than +.5/-.5 on default settings(Audacity 1.3.5d), your note is clean, and your energy is not being wasted. If the note has more of the first color(lighter blue) and much less of the second color(darker blue), but it’s total width is significantly greater than +.5/-.5, your note is ‘clean’, yet you are wasting a lot of energy.
Wasting energy? Yes, you can have a clean note while wasting energy. It’s not something to be desired. On many Irish Whistles, a few notes seem to require wasting energy… though on the great majority of notes, you should be able to make clean notes without wasting energy.(with enough practice)
A Spectrogram
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Isaiah 45:22 Let all the world look to me for salvation! For I am God; there is no other.