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 Acoustical effects of mpc design
Author: Dan Shusta 
Date:   2004-02-19 00:35

I just found the following site and I thought you might find it interesting.


http://www.tuftl.tufts.edu/mie/research/presentations/jesse-s_presentation/jesse_pres.htm


I find slide #10 to be most revealing.

Comments appreciated.



Post Edited (2004-02-19 00:42)

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 Re: Acoustical effects of mpc design
Author: Hank Lehrer 
Date:   2004-02-19 02:34

Hi,

Very interesting. I think that several more tests need to be done before we can really see if there is a significant difference. With just two players, the n is just too small for me to place much credence in the differences (note slide 14).

The future tests sound really interesting as well.

I love this kind of stuff!!!!!

HRL



Post Edited (2004-02-19 02:37)

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 Re: Acoustical effects of mpc design
Author: Dan Shusta 
Date:   2004-02-19 03:07

Hank, what really impressed me was the difference in slide #10 between the 2 players, male and female. It appears that "Matt" produced a more fundamental tone with lower level high frequency partials than Liz using the same instrument and mpc. I believe that Liz's higher level high frequency partials may have produced a "brighter" sound whereas "Matt's" sound may be "darker".

I believe this adds credence to those who have stated that the sound follows the person and is not essentially in the equipment.

Just my 2 cents worth.

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 Re: Acoustical effects of mpc design
Author: D Dow 
Date:   2004-02-19 16:52

A great deal of credence can be certainly given to the idea that one's own morphology can certainly add or detract certain overtones on the same mouthpiece that some one ealse plays. It makes alot more sense when one considers the way the teeth are shaped and just how we form our embouchure as a result.

There is alot of research that has previously been done, especially by such gifted scietific thinkers like Arthur Benade. One thing which I will personally add, after playing orchestrally for about 20 years now, is a performer who works with a given set up will generally have a number of problems with any given set of notes no matter the mouthpiece.


For example, the american larger bore designation does tend to produce a somewhat brighter clarion register than the smaller European counterpart. In my experience I have noted the inverse for the lower chalumeau register.

Another fundamental aspect that gives a mouthpiece it's specific tonal character is essentially the parameters of the baffle work. This is more or less the area which the individual maker tends to do their own specific feeling in the matter of the tonal character of the mouthpiece.

In regards to mouthpiece design I am a firm adherent that if one uses a shorter facing than much more work has to be done to the baffle in order to maintain a true 440 pitch!


Very few players really understand that there has to be a blance between bright and dark in the sound, so many students instead go towards brightness and shrillness but sacrifice depth and warmth.

No two mouthpieces of even the same facing play identically. In my own experience this aspect of the clarinet is incredibly fascinating.

Even with the same reed, no two Vandoren B40s respond and play totally alike. Hence, the argue must lie somewhere in the middle. A fine performer must really know how to match the reed specifically to the facing they are using.

The experience of getting maximum results is overwhelming. The mouthpiece is a major factor in how you want to sound and in some degrees in how you want to play. There is far too much conjecture going on by some BB people, when you consider what is the cheif determinate of tone....

energy, reed, embouchure,

knowledge of production of sound

It is best sometimes to really investigate your own playing in finding what is not only comfortable, but also, what give a beatiful sound with easiness and flexibility.

David Dow

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 Re: Acoustical effects of mpc design
Author: CPW 
Date:   2004-02-19 22:01

Tufts accepted this study?!!
n=meaningless
p=how can ya tell
We do not know how these guyz/galz play....what adjustments they are capable of making, etc.
Selmer was involved and asked for the study?? I hope that they dont base any manufacturing decisions on it.

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