Author: pliscapoivre
Date: 2011-09-12 14:49
I agree with Mark that vibration and resonance are not the same -- but I'm no acoustical expert, and the two well may be related. I understood Susan's original post to be concerned with the physical feeling of vibration in the mouth/lips and what correlation this has, if any, with the sound.
I think (instinctively) that vibration refers, in this context, to the physical motion of the two halves of the reed, while resonance has to do with more variables, such as the size and shape of your mouth/throat (internal acoustics, I'll call it), the use of air, the response of the reed, the projection of the sound produced by the bore of the oboe, then the external acoustics of the room, etc.
"Edge"/color range and "covered"/stable/protected are, to me, two ends of the spectrum. Mutually exclusive, certainly not: but I do feel that we have to find a balance between them, which means that they don't really overlap. One of my teachers had a much sharper upside-down V shape at the definition of the tip, and he played soloistically, with a great color spectrum and a little less dependability in the upper register than one might hope for. My other teacher's tips are more straight/flat across, so not such a sharp V. You can basically do no wrong on these reeds in terms of sound acceptability and pitch center, but they're more limited in color -- in my mind, more appropriate for orchestral playing. I messed around with this quite a bit as a student and ended up somewhere in the middle.
But maybe I'm thinking in a linear way and someone can posit a third dimension...
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