Nevermind; found the AFX button and was able to turn it off completely. Unfortunately, still no major improvement in the NR performance.
James K2QI On Sun, Jul 12, 2009 at 4:53 PM, K2QI <[email protected]> wrote: > Rick, > > I'm assuming that the 'BIN' setting is what turns the AFX off? I've tried > the AFX settings with delay going from 1-5 plus BIN, and there isn't too > much of a noticeable difference. The DSP still works poorly. It probaly > wouldn't be so bad if the DSP didn't attenuate the signal as much as it does > also. > > I regret selling my BHI ANEM module now; I could have used it line with my > headphones. > > James K2QI > > On Sun, Jul 12, 2009 at 3:40 PM, Rick Braun <[email protected]> wrote: > >> I posted this once before, but not a single response, so here goes >> again. I found that the F1-1 NR works OK if the AFX is turned off. My >> sense is that AFX plus NR is too much processing. Try the NR without the >> fake stereo, it seems more effective to me. >> >> Rick Braun >> KE7VXP >> K3 # 2869 >> >> ----- Original Message ----- >> *From:* James Sarte <[email protected]> >> *To:* [email protected] >> *Sent:* Saturday, July 11, 2009 9:06 PM >> *Subject:* [Elecraft] K3 noise reduction revisited >> >> Has there been any progress on improving the NR algorithm used in the K3? >> As it is, it's only helpful perhaps 2% of the time on SSB with the >> remaining >> 98% of it remaining off. I've tried adjusting AGC settings, plus fiddling >> with the DSP settings and can never seem to find a happy medium. >> >> >> >> Adjusting the receive EQ also has a major impact on the NR's audio >> quality. >> Sometimes I like to boost the midrange and treble areas on receive EQ as >> it >> helps with speech, but with any of the parameters set to a +1 or higher, >> the >> resulting audio out with NR on is terrible. It sounds almost as if I'm >> listening to the audio through a long drain pipe. >> >> >> >> Finally, turning on the NR generally tends to attenuate the signal rather >> than filter it; a very annoying behavior if you ask me. This has become >> painfully obvious during this weekend's IARU contest. >> >> >> >> Truth be told, the best DSP application I've used and heard so far has >> come >> from BHI with their ANEM modules. There are only a few settings to >> adjust, >> but it's very effective in isolating human speech patterns from background >> noise. It runs rings around the K3 when it comes to SSB noise reduction. >> I'm hoping that sooner (rather than later), Elecraft can come up with a >> firmware fix for the NR. >> >> >> >> 73 de James K2QI >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] <[email protected]> >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> >> > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
