Klarinet Archive - Posting 000179.txt from 2010/08

From: "Keith Bowen" <keith.bowen@-----.com>
Subj: Re: [kl] About clarinet acoustics
Date: Mon, 16 Aug 2010 19:19:40 -0400

Indeed it does, but the length of the cylinder isn't the length that you
measure with a ruler. This is essentially what we are all arguing about.

Keith

-----Original Message-----
From: Jennifer Jones [mailto:helen.jennifer@-----.com]
Sent: 17 August 2010 00:07
To: The Klarinet Mailing List
Subject: Re: [kl] About clarinet acoustics

On Mon, Aug 16, 2010 at 2:13 PM, Tony Pay <tony.p@-----.org> wrote:
> ...the major departure from cylindricality in a clarinet is at the bottom
end.

But the clarinet still behaves like a closed cylinder; it overblows a
12th through out its range. The flare in the lower joint should only
affect the effective length and that less so than the more extreme
flare of the bell.

It isn't like we have a conical bored didjeridoo that overblows a 10th.

The half clarinet idea is cool.

-Jennifer

http://www.phys.unsw.edu.au/jw/musFAQ.html#end
"Changing the cone angle of a bore changes the mode relationships
continuously. So Why doesn't the cone angle affect the overblowing
interval on woodwinds"
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