AVR-Chat

If you are "mapping", then you are probably talking about sonar, which  
requires a transmitter and receiver, and a measured time delay for the  
echo. This is very different from just measuring "sound amplitude".

Jim Wagner
Oregon Research Electronics

On Aug 24, 2011, at 6:58 PM, blue_eagle wrote:

> I wanted to try audio range and up to about 125KHz range. This is  
> for lake mapping. I could buy one but just want to make one and  
> learn at the same time.
>
> Brian
>
> --- In AVR-Chat@yahoogroups.com, Jim Wagner <wagnerj@...> wrote:
> >
> > What frequency range?
> >
> > Jim Wagner
> >
> > On Aug 20, 2011, at 8:05 PM, blue_eagle wrote:
> >
> > > I havent picked an avr chip yet. What I want to do is measure the
> > > sound underwater from two microphones to find out which one has  
> more
> > > sound over the other. Trying to understand how to use the micro to
> > > average sound inputs. How often should it sample? Do you have a
> > > website to explaine it?
> > >
> > > Thanks,
> > > Brian
> > >
> > >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
> 



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