I feel compelled to point out that even with a superior microphone, the pol=
ar pattern is extremely important. In typical ultrasonic recording scenario=
s one may not know where the source is.
Sent from my iPhone
> On Mar 12, 2016, at 1:37 PM, [naturerecordis=
ts] <> wrote:
>
> Hi Jonas,
>
> Here are a few recordings that were made with the CM16/CMPA microphone co=
nnected to an UltraSoundGate USB microphone at an original sample rate of 2=
50 kHz (taken from http://www.avisoft.com/sounds.htm). The phantom-powered =
version of the microphone (CM16/CMPA-P48) would produce similar recordings.
>
> 10-fold time-expanded:
>
> http://www.avisoft.com/sounds/u3.wav (Wart biter, Decticus verrucivorus)
> http://www.avisoft.com/sounds/con_dor.wav (Short-winged conehead, Conocep=
halus dorsalis)
> http://www.avisoft.com/sounds/chort_par.wav (Meadow grasshopper, Chorthip=
pus parallelus)
>
> http://www.avisoft.com/sounds/noctule2.wav (Noctule, Nyctalus noctula)
> http://www.avisoft.com/sounds/pipistrellus_pipistrellus_2.wav
> http://www.avisoft.com/sounds/pipistrellus_pipistrellus_3.wav
> http://www.avisoft.com/sounds/Pipistrellus_pygmaeus.wav
> http://www.avisoft.com/sounds/Pipistrellus_nathusii_2.wav
>
>
> 20-fold time-expanded:
>
> http://www.avisoft.com/sounds/Rhinolophus_hipposideros_3.wav
> http://www.avisoft.com/sounds/Rhinolophus_mehelyi.wav
> http://www.avisoft.com/sounds/Rhinolophus_blasii.wav
>
>
> > And I guess there is no way to have a demodulator with this setup for m=
onitoring purposes?
>
> Yes that is true. You would only have the level meter on the recorder as =
a signal indicator. It might therefore be useful to use a cheap heterodyne =
bat detector in parallel.
>
> Regards,
> Raimund
>
"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause.
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