I have read with interest the e-mails regarding the K3 noise reduction
feature. I will post my observations herewith. It took a bit of work to find
the "sweet spot" setting for my noise environment. Once found, it has proven to
be quite satisfactory. Having worked with a number of SDR type of radios (Flex,
Yaesu, and now K3 and for that matter K2) I can say that, in my opinion, the K3
is as good as it gets. I sense a number of users may not be entirely familiar
with noise reduction as it pertains to a software defined radio. In some cases,
it seems one is trying to use noise reduction where one should be using noise
blanking, a common mistake in attempting to reduce impulse noise from power
lines. Another common mistake would be to solicit the settings from another
user in a different noise environment.
One resource I found to be of benefit to me in helping me to understand
the "processes" of DSP is "The Engineer's Guide to Digital Signal Processing"
by Steven W. Smith. It is a free download from http://www.dspguide.com.
73s, Jim, W4ATK
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