naturerecordists
[Top] [All Lists]

Re: Mitra 3D Mic Pro

Subject: Re: Mitra 3D Mic Pro
From: "Avocet" madl74
Date: Sun Feb 5, 2012 9:42 am ((PST))
Original Message from: "doctorobotnik"

> The whole thing smells to me like salesmanship and snake oil. I'd
> keep well clear.

I originally looked up this mic and dismissed it immediately. I've had
a second look and it's worse than I thought. The manual appears to be
a poor translation, but I'm used to those and struggled on.

I googled "Mitra Corp" and all sorts of large companies came up.

I would have expected someone with a technical knowledge to have
checked out the spec, but "Battery fuel gauge"? And "Phono line out
max signal voltage: <200 ohms"? Hmmm.

Then I saw the frequency response with a huge peak at 3K of about 24
dB. The suggested Audacity equalisation was only +10dB ref 1K. This is
not even telephone quality. One thing for sure is that it will "ring"
at 3K and much of the birdsong I record above 3K would be weak.

After some difficulties, I managed to download the rain.mp3 sample and
it had a massive peak at 3K up 20 dB ref 1K and made a tinkling noise.

At this point I gave up, but how would you ever produce a windshield
which also covered the birds nest elastic mount?

I noticed the bit about it sounding best on headphones or close
speakers. To me this suggests omni mics and purely time of arrival
stereo. In other words a dummy head rig without a dummy head.

David

David Brinicombe
North Devon, UK
Cogito cogito ergo cogito sum - Ambrose Bierce







<Prev in Thread] Current Thread [Next in Thread>
Admin

The University of NSW School of Computer and Engineering takes no responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the naturerecordists mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the archive e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU