Klarinet Archive - Posting 000171.txt from 2010/08

From: Tony Pay <tony.p@-----.org>
Subj: Re: [kl] About clarinet acoustics
Date: Mon, 16 Aug 2010 17:57:18 -0400

On 16 Aug 2010, at 22:40, Keith Bowen wrote:

> The end effect must be taken into account as it can bemore than the distance between tone holes. The correction formula is on page 450 of Benade (Fundamentals of Musical Acoustics) and is also given in my masters' thesis that I sent you recently.

Actually, that equation didn't make it through the system; I should probably have told you that before. It just says:

"The acoustic length is longer than the physical length to the last closed tone hole by the amount
__________________

_ _ _

where z is the distance to the next open tone hole, d is the diameter of that tone hole, D is the bore diameter at the open tone hole and t is its depth. h is a factor that may be taken as 0.75 for a completely open hole and 1.0 for an average padded hole."

:-(

Don't have Benade with me...too heavy on tour.

What do you think of my half-clarinet idea?

Tony
--
Tony Pay
79 Southmoor Rd
Oxford OX2 6RE
tel/fax +44 1865 553339
mobile +44 7790 532980
tony.p@-----.org

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