Lynn,
Not only keeping the system sounds from going out on the air, BUT ---
If you are using a laptop, the internal sound card typically has only a
Mic level input (no line-in).
With a mic level input, the KX3 (or K3) will overdrive the mic input
unless you provide an attenuator in the line.
Similarly, the soundcard line out is too large a level for the mic input
of the KX3, and you may need an attenuator - that depends on your
computers line out and the amount of control you have for the output level.
The 3rd reason is that many internal sound cards have a lousy noise
floor. An external card will usually beat the internal soundcard when
the noise floors are compared.
That being said, internal soundcards have improved in the last few
years, so give it a try (especially if you have a desktop) and see if
the results are adequate for your needs - you can always add a USB
soundcard later.
73,
Don W3FPR
On 8/24/2013 8:42 PM, Lynn W. Taylor, WB6UUT wrote:
Maybe I'm missing something. My reasoning for a second sound card is
keeping the system sounds going out over the air.
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