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Re: Initial SASS test shows bands of harmonics

Subject: Re: Initial SASS test shows bands of harmonics
From: "Wil Hershberger" wil_hershber=
ger
Date: Sun Mar 11, 2012 9:42 am ((PDT))

One of the culprits could be the LCD display on the recorder. If there are =
not well shielded they can induce electric and/or acoustic interference.
It is best to keep the recorder well away from the mics.

Wil Hershberger
Nature Images and Sounds, LLC
Hedgesville, WV
The Songs of Insects
My Blog










On Mar 11, 2012, at 11:47 AM, Mitch Hill wrote:

> On 3/11/2012 10:48 AM, doctorobotnik wrote:
> > I don't think feedback is involved because unlike a PA this is a one-wa=
y system. I also don't think it's likely for reverberations to build up wit=
hin that space to such an extent.
>
> I get feed back with my LS-11 and ME-67 microphone when I'm running high=

> mic gain and aim the microphone (on a pistol grip) upwards in front of
> me. But you are correct, in my case its picking up the sound in my
> headphones which causes the feedback loop... Peter didn't mention if
> headphones were in use or if recorder speaker was in monitor mode, I
> assumed that like most of us he uses headphones for monitoring and you
> can definitely get feedback...
>
> However, in light of Peter's more recent reveal that he had the recorder=

> sitting on the array, I'm more inclined at this point to think that the
> array was picking up the recorder, most likely radiated digital hash
> based on the spacing of the bands up through the spectrum which would
> explain the consistent level and spacing of the bands....
>
> --
> --
> Mitch Hill
>
> (Sent from HP DV6T)
>










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