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Noise Blanker

radioshopbob
radioshopbob Member ✭✭
edited November 11 in SmartSDR+

I am running the latest version (v4.1) and I am trying to find out where to adjust the gain of the Noise Blanker. When I click on the NB button within the SmartSDR program, it must just turn the Noise Blanker on. I don't see anywhere to adjust the gain or sensitivity of the Noise Blanker. I need help on this one… Thanks, Bob

Comments

  • KD0RC
    KD0RC Member, Super Elmer Moderator
    edited November 5

    Hi Bob, the NR, NB and ANF/APF adjustments have been removed, at least for now. Mike, VA3MW mentioned that the engineer took them off because the new methods have been set to optimal levels.

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin

    Thanks, we have collected all the comments on the sliders to passed them on to the engineering team.

  • John KB4DU
    John KB4DU Member ✭✭✭✭

    Another nobody asked for, just arbitrary change, kind like the profile autosave that took years to undo when it became user selectable which it should have been all along.

  • DavidR
    DavidR Member ✭
    After upgrading to V4 my noise blanker is completely non functional. It worked quite well when enabling it when running V3. With V4 NB does absolutely nothing. APF when eneabled seems to have virtually no affect either. It was quite effective with V3.
  • DavidR
    DavidR Member ✭
    Upon further investigation. . . with V4 installed, I have used the API to enable/control the NB and APF levels. The noise blanker in V3, which worked quite well on my saw tooth AC power line noise problem (a blown lightning arrestor) is now totally ineffective with V4 noise blanker. I am listening to the noise in AM mode which clearly shows whether or not the noise blanker is working and how well.
    Dave, W0FLS
  • Ken Thompson
    Ken Thompson Member ✭✭

    I have to agree with you. The NB button does nothing.!!

    Noise that previously would have been removed stays the same.

    The NR and ANF seem to work fine.

    Cheers

    Ken VK6AKT

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin

    Ken, can you provide a sample of the noise you are trying to blank? Personally speaking over a 1/2 century of hamming, I have found every vendors noise blanker to focus on a different type of noise.

    Your noise would be helpful.

  • Ken Thompson
    Ken Thompson Member ✭✭

    Hi Mike I cannot see how a sample would help, as you would know every situation is different.

    What we all know is a noise blanker should be able to suppress impulse noise spikes and the last version was doing that well. The latest V4 does not work at all.

    As others have said at least bring back the slider for threshold adjustment.

    Cheers Ken

  • VE6WZ
    VE6WZ Member ✭✭

    The NB does NOT work at all on the 6600. With v3 it completely eliminated my nearby horse fence ticking. Now, it does nothing whether on or off. It is broken.


    HOWEVER, on my 8600 it DOES work, just as well as before, so obviously there is a software glitch. Clearly there was zero field testing done.

    I did submit a service ticket, but there has been ZERO response!

    SmartSDR+ is a bust and waste of money for me!


    steve Ve6wz

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin

    Steve

    We have been a bit slow on tickets due to illness. But, if you got a ticket logged then engineering is aware of it.

    Thanks for taking the time to do that.

    Mike

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