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[DPRG] Off-Topic - Microphones

Subject: [DPRG] Off-Topic - Microphones
From: Ed Koffeman edk at kinetric.com
Date: Wed Jun 15 13:33:00 CDT 2005

Hi, Lance.

If there's not a lot of other noise, you might be able to simply connect all
4 microphones in parallel (Y-connectors...) and as the dog passes each it
will register, all on the single microphone channel. Most dynamic mics will
work - you can even use dynamic earbuds in a pinch if the sound is loud
enough (cheap way to get 4 mics).

Otherwise, do two pairs into L and R channels, with each pair alternating
spacing in the dog run.

The standard Windows recorder will show the waveform and capture a .WAV file
for analysis.

Ed Koffeman

> -----Original Message-----
> From: dprglist-bounces at dprg.org [mailto:dprglist-bounces at dprg.org] On
> Behalf Of Lance Rose
> Sent: Wednesday, June 15, 2005 1:19 PM
> To: dprglist at dprg.org
> Subject: [DPRG] Off-Topic - Microphones
> I apologize for the off-topic post, but I hope you guys can answer a
> question for me.
> I need to get input from 4 microphones to display visually on my PC.
> All I really need is an indicator that the mic is picking up anything
> over a base level.  I am going to try to "time" my dog on a course. I
> also have another possible application if this could be done cheaply
> based on sound.
> How do I do this?
> Is there a device that will take in multiple mic inputs and feed the
> signal to a piece of software?
> What term or terms would be good for Googling to find info on this?
> I am open to any other suggestions for doing this cheaply.  Cheaply is
> the main goal.
> Thanks again.
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