That sounds promising! A side-by-side comparison of the same noise
samples on a K3 would be interesting as well.
73,
Drew
AF2Z
On 05/31/19 13:11, Wayne Burdick wrote:
We've recently started testing a new DSP NR (noise reduction) algorithm for the K4. Our
early testers are saying it's as good or better than anything else they've used, removing
stochastic noise without the characteristic "hollow" sound of earlier
algorithms. In my own tests, I'm finding weak SSB signals I simply couldn't copy without
it. It goes beyond just reducing listening fatigue. This type of NR operates in the
frequency domain, like spectral subtraction, but without the usual artifacts (musical
tones) or long sampling delays.
Once the full implementation is complete, we'll post audio samples and
additional details.
(In answer to the inevitable question: Unfortunately, we won't be able to port
this to the K3/K3S. The new algorithm requires the new, much faster DSP chip
we're using in the K4.)
73,
Wayne
N6KR
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