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Re: EMU TrackerPre

Subject: Re: EMU TrackerPre
From: "Mike Rooke" picnet2
Date: Thu Apr 28, 2011 3:18 pm ((PDT))
The Trackerpre (EM8730) in Mac OS X will only reach 96 kHz sample rate.
192Khz is not available.
Linux support is abysmal

-Mike.


--- In  Gianni Pavan <> wrote:
>
> Dear all,
>         here some preliminary info on the performances of the EMU
> TrackerPre, a pretty cheap though reliable USB acquisition device able to
> run up to 192k with good performances.
>
> The frequency response at 192k is flat up to 84kHz and rolls down 1 dB at
> 90kHz and 6 dB at Nyquist (96kHz). The a-a filters are steeper than those=
 of
> the USBPre2:
>
> INPUT at 0dB                            ALIAS
> 100kHz                                    -16dB at 92kHz
> 102kHz                                    -25dB at 90kHz
> 104kHz                                    -50dB at 88kHz
> 112kHz                                    at 80kHz the aliasing component=
s
> are not measurable
>
> More accurate tests and graphs will follow on on our website at
> http://www.unipv.it/cibra/res_techtest_uk.html
>
> Gianni
>
>
> --
> Presidente
> Centro Interdisciplinare di Bioacustica e Ricerche Ambientali
> Dipartimento di Biologia Animale
> Universita' di Pavia
> Via Taramelli 24 - 27100 PAVIA
> http://www.unipv.it/cibra
> http://mammiferimarini.unipv.it
> Phone +39-0382-987874
>
>
>








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