More on sound cards

[Terry Fox]

I think there are several programs out there to help with analysis.  I think
the one that was used to check SB LIve 24 vs Delta 44 is readily available.
I can do more research if you need it.

Terry

----- Original Message ----- 
From: "Frank Gentges" <fgentges at mindspring.com>
To: "Terry Fox" <tfox at knology.net>
Cc: <tacos at amrad.org>
Sent: Monday, October 02, 2006 11:26 PM
Subject: Re: More on sound cards


> Terry,
>
> I am thinking of setting up a lab to test sound cards.  Generating a
> super clean audio sine wave and two tone super clean waves are pretty
> easy with what I have.  We need some digital analysis software.  In
> short, yes I will set up a sound card test bed at the lab.
>
> Frank
>
>
> Terry Fox wrote:
> > According to the Flex Radio software, the soundcards currently
RECOMMENDED
> > for use with PowerSDR are:
> >
> > M Audio Delta 44 (or 66).  4 (6) mono channels in and out, PCI bus with
> > external connector pod ($139 on the web).  24bit/96kHz.  This is made by
M
> > Audio, who is owned by Avid.  Avid is THE premier film and video editing
> > company, we bought their broadcast systems by the millions of dollars.
I
> > would expect their product to be first-rate.  spec Dynamic range is 99db
> > (A/D) & 103db (D/A), freq response claimed 22Hz-40kHz (96kHz sampling).
> >
> >
> SNIP SNIP
> > We should come up with different card "suggestions" for different price
> > ranges.  If someone wants to spend up to $50, here are the cards and
their
> > specs.  Between $50 and $100, here is another group.  Between $100 and
$150,
> > a third group.  And above $150 as a fourth group, as an example of how
to
> > break down cost vs performance.
> >
> > While I don't beleive the reviewers or the card manucafturer specs (at
least
> > for what we want to see), I do believe we can find fairly low-cost cards
> > that do a much better job than the older 16-bit, 48kHz sound cards.
> >
> > I suggest we make a list of cards, divide up that list, and purchase and
> > test these various options.  If a "standard lab" can be created, I
wouldn't
> > mind purchasing a couple cards myself, and shipping them up to the lab
for
> > testing.  Frank: could you, George, and possibly Steve Dove put together
a
> > lab?  I will be glad to help as I can.  If we can document what the lab
> > testing consistes of, and I can duplicate it here, I can help with
testing
> > as well.
> >
> > More later.
> > Terry
> >
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> >
> >
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