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Re: Software for frequency measurments

Subject: Re: Software for frequency measurments
From: Klas Strandberg <>
Date: Fri, 04 Jul 2003 12:44:51 +0200
Yes, then it was relevant to have both mic's at 30 meters, as both mic's
were omnis.
My set up is a little different, I can't compare a parabol at 30 meters wit=
h
an omni at the same distance. They will "see" very different things and
react to very different reflections, in and out of phase.

Klas.

At 11:18 2003-07-03 -0700, you wrote:
>Klas, you wrote,
>
>>It doesn't matter if my "leveler" don't work perfectly. Please note that =
I
>>don't measure true frequency curves, as in a laboratory, but rather curve=
s
>>only to describe a change from one set up to another. Example: What happe=
ns
>>if I put an omni facing forward, compared to if I put it facing inwards t=
he
>>dish?
>
>I understand. I did the same thing with my CVX review, not worrying
>about absolute calibration but comparing the responses of two mikes.
>You could use the FFT analyzer then, with pink noise driving the
>speaker. I'd put the calibration mike and the mike being tested both
>at 30 meters, and compare the curves.
>
>-Dan Dugan
>
>
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>
Telinga Microphones, Botarbo,
S-748 96 Tobo, Sweden.
Phone & fax int + 295 310 01
email: 
       



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