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[RTTY] Commercial Sound Cards: Internal vs. External & USB

To: rtty@contesting.com
Subject: [RTTY] Commercial Sound Cards: Internal vs. External & USB
From: RLVZ@aol.com
Date: Wed, 12 Dec 2012 21:43:07 -0500 (EST)
List-post: <rtty@contesting.com">mailto:rtty@contesting.com>
Hi Guys,
 
I've really enjoyed the posts about Commercial Sound Cards  as I want to 
improve my RTTY weak signal reception.  
 
I've got some questions:
 
1) Some people contend that Internal sound cards are more  prone to "noise 
and interference" then External sound cards... and therefore  External sound 
cards are better.
Others contend that the USB sound card is more likely to have  latency 
problems, especially if a number of USB devices are plugged into  the computer, 
and therefore the Internal sound card is  better.  I imagine both issues 
depend on a  variety of things like how "noisy" the computer is and  the 
environment the computer is located in.  But isn't there a  concensus on 
whether 
the Internal or External sound card generally works  better on RTTY reception 
for most people?  Or are External sound cards  and USB sound cards so new 
that the jury is still  out?  
 
2) Are some Desktop computers known to have  a lower internal signal to 
noise ratio?  If so, what Makes &  Models are best?
 
32) Would an internal Broadcast quality sound card like  the Digigram 
VX-222 that has a S/N ratio of >-95dB, and very low distortion  such as 0.002%, 
when installed in the average consumer  desktop computer, provide a good deal 
better weak signal reception of RTTY  signals?  
 
Hope to work you this weekend in the OK RTTY DX  Contest.
 
73,
Dick- K9OM
 
 

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