Author: Micke Isotalo ★2017
Date: 2019-10-14 11:21
I suppose you mean that the notes play sharper in the beginning, after a full breath, but then evens out in perhaps 1-2 seconds on a sustained note, or on the following notes until the next full breath. If so, then I had the same problem with my previous embouchure, which was based on "vertical pressure" (in my case even some "biting", though it wasn't excessive).
However, this changed after switching to a "horizontal" or "side pressure" embouchure (with the side muscles around your mouth pushing in, like when whistling, but still keeping your lower lip flat) and with almost no "vertical pressure" at all (almost only what is needed to seal your lips around the mouthpiece, but with the lower teeth/jaw "pressing" down instead of up, to help flattening out the lower lip).
Now on most of the scale there is no sharpness at all in the beginning of a note with this "side pressure embouchure", but for some reason there is still some in the lower clarion - but only there.
I can't explain why a "vertical pressure" embouchure causes sharpness after a full inhaling, but from my own experience above there seems at least to be a correlation.
This sharpness problem was one of the reasons why I changed my embouchure, besides that my tone got better. The "side pressure" embouchure is also a more relaxed way of playing.
For tuning reasons I still need some increased vertical pressure in the third, or altissimo register (on some notes there even some "biting").
Post Edited (2019-10-14 11:28)
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The Clarinet BBoard
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