Not for my uses, I think. USB 2.0 plenty fast with a good computer.
I've been digging. Creative has a new E-MU 0202 that has no optical or midi
costs $99, has 100 ps sampling jitter with an internal crystal sampling
clock, 24 bit, zero latency, up to 192 kHz sample rate, 113 dba snr, about
the same channel isolation.
Have a couple more to look at, but this one looks like the bee's knees...
Don
----- Original Message -----
From: "Dave Brown" <tract...@ihug.co.nz>
To: "Discussion of precise time and frequency measurement"
<time-nuts@febo.com>
Sent: Friday, August 21, 2009 10:17 PM
Subject: Re: [time-nuts] Using cheap sound cards for measurements
Are USB data transfer delay times an issue? IIRC they can vary quite a
lot, depending on processor loading etc.
DaveB, NZ
----- Original Message -----
From: "Don Latham" <d...@montana.com>
To: "Discussion of precise time and frequency measurement"
<time-nuts@febo.com>
Sent: Saturday, August 22, 2009 3:42 PM
Subject: Re: [time-nuts] Using cheap sound cards for measurements
I'm looking to stay under $200, but that's why I want USB if that makes
any sense...
Don
Hal Murray
On this track, what's the group opinion as to the best USB sound
"card"? I'm looking for one for time as well as sd radio use. Should
have the best separation, best s/n, highest digitization rate, 24 bit,
etc. Any recommendations?
I'd be interested in not-quite-best or even far-from-best if the price
is
right.
Is there a sweet spot on price/performance for USB audio gear?
--
These are my opinions, not necessarily my employer's. I hate spam.
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--
Dr. Don Latham AJ7LL
Six Mile Systems LLP
17850 Six Mile Road
POB 134
Huson, MT, 59846
VOX 406-626-4304
www.lightningforensics.com
www.sixmilesystems.com
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