At 06:40 2007-01-30, you wrote:
>Yes the capsules have to be right next to each other in order to
>increase gain.
>So we are talking about the same thing it takes 6 capsules total to
>make both channels. Verticle triplets are to minimize phase differnce
>and maximize gain as the majority of sound in natural sound recording
>is in a horizontal plane.
>
>I did build a tight triangle configuration and it worked just fine.
>That was a variation of the "Two-Sided Boundary Mic" as seen on Robs
>page,
>http://www.uwm.edu/~type/audio-reports/PanasonicWM-61A_OtherBinauralRigs/W=
M61A_Webpage_Caps_Mounts.html
>Further, Klas has extensive experience using 4 capsules per channel as
>a tight rectangle and that works fine.
I have thought of making it into a triangle of three capsules - a
little noisier but a more linear frequency response.
Klas.
>I have not yet played with spacing the capsules in different patterns
>to make directional arrays and that is a science all on its own.
>There has been a thread or two from people playing in that area here.
>
>Rich
>
>--- In Lou Judson <> wrote:
> >
> > Rich, I don't keep careful enough track of what is from whom here, so
> > sorry I don't have the image link to hand... Have you tried putting the
> > three capsules right next to each other (vertically, not left and right
> > channel) instead of having space between them? Would they still add up
> > the same way? What if they were in a tight triangle? I'd think the
> > phase similarity would increase the gain... but that's just a thought.
> > Have you experiemented?
> >
> > <L>
> >
> > Lou Judson =95 Intuitive Audio
> > 415-883-2689
> >
> > On Jan 29, 2007, at 5:35 PM, Rich Peet wrote:
> >
> > > hard to stop a mind, sort of like standing in front of a train.
> > >
> > > I built the triplet as a noise reduction technique to bring a low
> > > noise result using cheap higher noise mics. By putting them in align
> > > verticle you get the same time of arrival. Any space apart of the
> > > mics causes problem starting at high pitches and working down.
> >
>
>
>
>
>"Microphones are not ears,
>Loudspeakers are not birds,
>A listening room is not nature."
>Klas Strandberg
>Yahoo! Groups Links
>
>
>
Telinga Microphones, Botarbo,
S-748 96 Tobo, Sweden.
Phone & fax int + 295 310 01
email:
website: www.telinga.com
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