Klarinet Archive - Posting 000249.txt from 2001/12

From: Roger Shilcock <roger.shilcock@-----.uk>
Subj: Re: [kl] Clarinet Bores - inside groove due to tuning
Date: Tue, 11 Dec 2001 11:53:17 -0500

You would then be looking at possible effects of the glue as well.
What might the tape do, anyway? Is this *just* an increase of mass?
You could never actually repeat this experiment, since there would
be no hope of completely removing the glue.
Roger S.

In message <15188-3C16335F-4630@-----.org writes:
> <><> J.H.M. Gooden wrote:
> sound differences caused by microscopic differences in clarinet bore
> dimensions and inner surface texture. [snip] Wouldn't condensation
> droplets on the inside even have a larger effect?
>
>
>
> You have highlighted the $64,000 question!
>
> If you look at an actual graph, such as those at
> http://hughes38.som.ohio-state.edu/spectra.htm (if they're still online,
> I haven't checked recently), you'll see that the typical curve is jagged
> and 'fuzzy', not a smooth rolling curve.
>
> The question is: is the information that we really care about buried in
> the nearly infinite amount of 'fuzz', and therefore not analyzable from
> a practical point of view?
>
> My statement is that if an experimenter --- perhaps a student doing a
> doctoral thesis --- simplified the experiment as much as possible,
> perhaps he or she could find out.
>
> For whatever it's worth, if anyone tried the 'lead tape' approach,
> probably it would be best to glue the lead tape and the tube together
> --- in order that the instrument behaved as a single mass (rather than
> the tube slipping back and forth inside the tape).
>
>
> Cheers,
> Bill
>
>
> ---------------------------------------------------------------------
>
>

--
Be thine own palace, or the world's thy jail

----- John Donne, somewhere or other

---------------------------------------------------------------------