their excuse is, they want to run it on two AA cells, and last ten hours.
Umashankar
> Date: Wed, 6 Nov 2013 14:24:38 +0000
> From: f...@linuxaudio.org
> To: sursound@music.vt.edu
> Subject: Re: [Sursound] Core Sound TetraMic
>
> On Wed, Nov 06, 2013 at 12:09:26PM +0000, Bo-Erik Sandholm wrote:
> >
> > I found this website comparing signal to noise on a lot of recording
> > devices:
> > http://www.avisoft.com/recordertests.htm
> > Seems they have at least used the same equipment to measure all the devices.
>
> Interesting. And it confirms what John wrote: some of these devices
> have a *really bad* EIN. These are probably also the ones that don't
> even quote any value in their specs. Caveat emptor...
>
> Building a mic preamp with say -118 dBm(A) EIN is absolutely no
> problem, even using only cheap mass-produced components and no
> transformer. Just connecting directly to a 5532 opamp will give
> you -120 dBm(A) or better. No black art neccessary.
>
> There's really no excuse for anything that's 10 or 20 dB worse.
>
> Ciao,
>
> --
> FA
>
> A world of exhaustive, reliable metadata would be an utopia.
> It's also a pipe-dream, founded on self-delusion, nerd hubris
> and hysterically inflated market opportunities. (Cory Doctorow)
>
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