Subject:
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Re: Two way audio -Reply
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 4 Dec 1998 19:50:35 GMT
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Original-From:
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The Plumber <JHOFFMAN@IT.SAIT.AB.spamlessCA>
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Viewed:
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6288 times
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I would be interested in any schematics you would be willing to give up,
maybe even a little theory behind operation. I must admit I am lacking
quite a bit in the communications area.
Thanks,
Joe Hoffmann
E-Mail jhoffman@it.sait.ab.ca
On Fri, 4 Dec 1998 michaelj@wt.net wrote:
> A couple of years ago I built a small FM transmitter that had a small microphone
> on it. I could hear whispers in the room next door when I turned it on and tuned
> in a small transister radio to its frequency. This may be an option.
>
> Mike
>
> > That's a hard one because you have to have sufficient gain from the
> > robot microphone to hear someone 2 to 8 foot from the microphone.
> >
> > Usually communication equipment limits their microphone gain on purpose
> > to exclude background noise. You have to talk directly into the
> > microphone in most cases.
> >
> > When you find a solution, please post it on the handy board mail list
> > will you?
> >
> > James Dunn
> >
> >
> > > > > > "mar@cooper.edu" 12/03/98 09:38pm >>>
> > > Hi,
> > >
> > > We are trying to transmit our voices to our remote robot to create the
> > > impression that the robot is talking.
> > > In addition, we want to be able to hear what the robot hears.
> > >
> > > Does anyone know any products that we can attach to our robot that will
> > > enable something like this?
> > >
> > > Thanks for any input. :)
> > >
> > > -----------
> > > ericson mar Robotics Consultant
> > > mar@cooper.edu
> > > (212)353-4356
> > >
> > > Department of Mechanical Engineering The Cooper Union for the
> > > Advancement of Science and Art
> > > -------------------------------------------------------
> >
> >
>
>
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Message is in Reply To:
 | | Re: Two way audio -Reply
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| A couple of years ago I built a small FM transmitter that had a small microphone on it. I could hear whispers in the room next door when I turned it on and tuned in a small transister radio to its frequency. This may be an option. Mike (...) (28 years ago, 4-Dec-98, to lugnet.robotics.handyboard)
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