[Elecraft] Noise reduction setting suggestion for CW

[Greg - AB7R]

Thanks for the explanation Lyle...that's exactly right.  Though I hesitated to use 
the term, it actually acts like an APF for CW...at least with my settings it does.  
Pitch is set at 550 Hz and using DSP 5-2 and the context filter on.

-------------------------
73,
Greg - AB7R
Whidbey Island WA
NA-065


On Sun Nov 29 21:07 , Lyle Johnson  sent:

>> I remember reading a comment from Lyle on the reflector. He said that the 
>> first four NR selections are optimized for CW and the last 4 are optimized 
>> for SSB.  This happened a few months ago when 5 through 8 were added. 
>
>The primary reason for this is that the delay through the denoiser 
>filter is not deterministic.  Selections 5-8 do a "wet and dry mix" of 
>processed and unprocessed audio. This can result in scalloping of the 
>signal amplitude, so the user's CW pitch may end up being emphasized -- 
>or severely attenuated -- depending on the pitch, mixing setting, and 
>the amount of noise being suppressed.
>
>It may well be that Greg's preferred pitch is one that gets mildly 
>emphasized through this action with the setting he uses.
>
>73,
>
>Lyle KK7P
>
>
>
>
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