Horn-u-copia - Theory of design of trumpets and cornets?

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Horn-u-copia - Theory of design of trumpets and cornets?when making an instrument that will play in a standard recognizable way.Posts: 86AlabamaThere is a guy named Benoit Glazer that seems to be well versed inmodern trumpet design.He starts out saying at his site:Quote:I have been thinking about trumpet design for many years. There are afew things about traditional designs that have always bothered me, andI believe I have solved most of them.First, let me remind you of some laws of physics that apply to us.Sound travels at a constant velocity in a constant medium. And eventhough sound velocity is actually faster in a flared brass instrumentthan it is in the open air at sea level, that velocity is still affected by airdensity and sharp bends in a similar way than it would be in open air. Achange the mediums density changes the velocity, and a change invelocity is a change in pitch. That presents of a few problems in regardsto the sound that travels through the air column of a brass instrument.The real problem is double.http://www.benoitglazer.com/gpage2.htmlI don't know if he knows what he is talking about or not....but what I'minterested in knowing more about is along the lines of what he is sayingabout his designs.I'd think, even in my own admitted ignorance, that a trumpet would bedesigned with a set of mathematical equations that may include suchthings as lengths, diameters, tapers, metal properties, path bends,etc.,with values that can be adjusted as long as the equation is balanced.http://www.6thofthe31st.comhttp://www.Milsurpafterhours.comBack to topView Profile Email Email Personal Message WWW98.230.65.201kentonYaBB AdministratorOnlinePosts: 5450Punxsutawney, PaGender:Re: Theory of design of trumpets andcornets?Reply #24 - Sep 5 th , 2012 at 11:51amQuote Modify Split RemoveNiner wrote on Sep 5 th , 2012 at 10:20am:I am not particularly interested in this inquiry with whatever thedifference is between what a player hears and what an audience hearswhen he plays. I'm just interested in what kind of rules a maker mayhave in mind when making an instrument that will play in a standardrecognizable way.But, you see, that is the point.Say you use one set of scientific principles to make the horn sound best tofile:///L|/Temp/Horn-u-copia%20-%20Theory%20of%20design%20of%20trumpets%20and%20cornets2%20.htm[9/7/2012 12:29:17 PM]
Horn-u-copia - Theory of design of trumpets and cornets?the player, another set of scientific principles to make the horn sound bestto the audience, another set of principles to make the trumpet sound morecornet like, another set of principles to make the horn easier to play,another set of principles to make the instrument more affordable tomanufacture, etc.And, all of that ignores the issue that even if you rely on that muchscience, there is still a disconnect. Science can only tell you measurablefindings. It can't tell you which are the good findings and the not so goodfindings. The assertions of quality are not made by science.Back to topView Profile Email Email WWW141.158.211.202NinerSection LeaderOfflinePosts: 86AlabamaRe: Theory of design of trumpets andcornets?Reply #25 - Sep 5 th , 2012 at 12:14pmQuote Modify Split RemoveCertainly there are actual tone differences among a cornet and a trumpetand a flugelhorn and whatever else uses the same valve/key movements toplay the same notes. And there certainly are actual sound differencesbetween like instruments within a discriptive class when made with only ageneral purpose in mind. And makers with skill seek after adjusting theirproducts to produce a desired effect. Yet..... there must be a set ofparameters that make a trumpet a trumpet and a cornet a cornet that donot require that all trumpets or all cornets look alike. And ...they don'tlook all alike as we know as we are interested in "obsure, Antique and OutofProduction Brass Instruments".Back to tophttp://www.6thofthe31st.comhttp://www.Milsurpafterhours.comView Profile Email Email Personal Message WWW98.230.65.201kentonYaBB AdministratorOnlineRe: Theory of design of trumpets andcornets?Reply #26 - Sep 5 th , 2012 at 5:49pmYes, but. . .Quote Modify Split RemoveThere are differences between a true trumpet, a modern trumpet, a cornet,a fluglehorn, etc.Posts: 5450Punxsutawney, PaGender:And, there are differences between a tenor horn, a baritone, a euphonium,a tenor tuba, etc.BUT, there no clear dividing lines between each category.And, you can make a baritone sound more euphonium like, by changingmouthpieces. And, I suspect a mouthpiece change on a cornet might makeit sound more fluglehorn like.141.158.211.202file:///L|/Temp/Horn-u-copia%20-%20Theory%20of%20design%20of%20trumpets%20and%20cornets2%20.htm[9/7/2012 12:29:17 PM]
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Horn-u-copia - Theory of design of trumpets and cornets?

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