Musings on Noise Reduction

[Lee Trout]

John:  Thanks for the suggestions.  I tweaked some of the AGC settings and found it did somewhat improve the N/R for CW, but to my ear, made the distortion on SSB worse.

Perhaps the "one size fits all" is the problem?  In other words, if we had PER MODE noise reduction (tailored to the mode) coupled with PER MODE rx eq I think it would improve the K3 significantly.

I'm not a software engineer so don't know if it is possible to do this.

73 all,  Lee (K9CM)

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[WA6L]

You may be on to something there, Lee.  I didn't even try SSB after making those adjustments.

Still and all, there is work to be done on the K3 NR system, or perhaps it is the AGC algorithms.  I still find the K2 noise reduction much more effective and certainly easier to use than the K3's.

Thanks and 73,

John, WA6L

Lee Trout wrote

John:  Thanks for the suggestions.  I tweaked some of the AGC settings and
found it did somewhat improve the N/R for CW, but to my ear, made the
distortion on SSB worse.

Perhaps the "one size fits all" is the problem?  In other words, if we had
PER MODE noise reduction (tailored to the mode) coupled with PER MODE rx eq
I think it would improve the K3 significantly.

I'm not a software engineer so don't know if it is possible to do this.

73 all,  Lee (K9CM)

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[K8RDD]

I think a previous firmware version had a better NR on Phone than the version now. I don't remember which one but some made a comment concerning this. I agree also it used to seem better.
Randy
K8RDD

WA6L wrote

You may be on to something there, Lee.  I didn't even try SSB after making those adjustments.

Still and all, there is work to be done on the K3 NR system, or perhaps it is the AGC algorithms.  I still find the K2 noise reduction much more effective and certainly easier to use than the K3's.

Thanks and 73,

John, WA6L

Lee Trout wrote

John:  Thanks for the suggestions.  I tweaked some of the AGC settings and
found it did somewhat improve the N/R for CW, but to my ear, made the
distortion on SSB worse.

Perhaps the "one size fits all" is the problem?  In other words, if we had
PER MODE noise reduction (tailored to the mode) coupled with PER MODE rx eq
I think it would improve the K3 significantly.

I'm not a software engineer so don't know if it is possible to do this.

73 all,  Lee (K9CM)

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