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Re: EQ recordings with parabola

Subject: Re: EQ recordings with parabola
From: "Tim Nielsen" supernielsen
Date: Sun Jun 3, 2007 3:56 pm ((PDT))
I should clarify that when I see 'clearly noticeable' I didn't mean  
objectionable per se. Only that I can hear some acoustic gain in that  
area that seems to me to be caused by the dish, and that filtering  
that band makes the sound better to my ear.


On Jun 3, 2007, at 12:58 PM, stoatwizard wrote:

> > a very noticable peak or resonant around 500-600hz. This is I'm
> > assuming about where a 20" dish would start to steeply roll off? But
> > I almost always do a notch around there to remove the sound of the
> > dish. Wondering if anyone else notices it, it's kind of a gentle
> hum,
> > tonal in nature, that is almost always there.
>
> I have a Telinga with stereo DAT-Mic and I can't say I can find  
> this at
> all.
>
> I've recorded in Hungary last month and many of the subjects were
> warblers like river warblers and sedge warblers and savi's, along with
> a good number of crickets in the environment. The frequency  
> response of
> the Telinga did get seriously wearing after a couple of weeks of
> recording - I need to investigate putting my Sennheiser MKH30/40 in
> there instead and/or getting into shotgun mics for these kind of
> subjects when they're up to 20 feet away. The HF heft of the  
> Telinga is
> probably great for its main use for birds over 50 feet away, but it's
> way OTT for closer subjects.
>
> The dish itself does ring probably around the frequency you mention on
> mechanical impact, which is a drag when small insects hit it, but that
> isn't anything like a continuous hum
>
>
> 








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