Klarinet Archive - Posting 000147.txt from 1999/01

From: l.pasquero@-----.it (luciano pasquero)
Subj: Re: [kl] Inharmonic partials, was RE: [kl] re:Intonation training
Date: Wed, 6 Jan 1999 00:10:26 -0500

Martin Pergler wrote:

>Can anyone with better equipment check the experiment I suggested
>yesterday, with looking at the spectrum of a "bad" throat Bb? I see
>an additional "inharmonic" peak just below 3xbase freq with my
>set-up, but on playing with it it has appreciable dynamic only if my
>clarinet is fairly close (to about 4') of the mike. Also, can
>someone check the precise positions of the 3 first "harmonic" peaks
>for this bad note? I can't really tell from my computer screen if
>they are exactly harmonically related, or just "very close".
>

I have measured partials of my clarinet throat B flat (very bad tone,
without "long" fingering) using a software called "Specrtum Analyzer" for
Mac.

here are the results:

root: 409.2 Hz
partial #3: 1227 Hz
partial #5: 2046.33 Hz

very close to perfect armonicity, I believe.

These results are similar to other measurements I made some months ago.

Luciano Pasquero

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