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Re: microphone arrays

Subject: Re: microphone arrays
From: "hilly512000" <>
Date: Mon, 14 Oct 2002 19:39:19 -0000
In the words of one of Australia's politicians... "Please explain?".
Gianni, what is a beam forming array? I gather from your discription
that it is a series of microphones, each with its own pre-amp. What
is the principle of operation? Does the large number of microphones
collect more of the available sound than a single element, which
seems ligical to me? Do you have any other sources for more
information on the subject?

-- In  Gianni Pavan <> wrote:
> Hi all,
>       I'm willing to experiment beamforming techniques with a
microphone array
> I'd like to build at the lowest possible cost .
>
> First of all, I'd like to know if somebody has already experimented
> wideband beamforming techniques with microphones.
>
> Second, I'll like to have your advice to buy 8 or 16 CHEAP
condenser
> capsules (to be mounted tightly spaced on a small bar) and to build
the
> required preamplifiers to possibly drive line inputs.
>
> I'll like to hear your ideas,
> Gianni
> --------------------------------------------------------------
> Gianni Pavan
> Email 
> Centro Interdisciplinare di Bioacustica e Ricerche Ambientali
> Universita' degli Studi di Pavia
> Via Taramelli 24, 27100 PAVIA, ITALIA
> Tel/Fax   +39-0382-525234 Laboratori
> Tel/Fax   +39-0382-526208 Segreteria
> Web       http://www.unipv.it/cibra



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