Spectral subtraction was used in the JPS noise reduction units long ago. I still have my NIR-12.
Tom W4KX Sent from my iPad > On Sep 11, 2020, at 12:21 PM, Wes <[email protected]> wrote: > > https://www.rtl-sdr.com/forum-talk-videos-from-hamvention-2017/ 51 minutes > in. > > Wes N7WS > > > >> On 9/11/2020 6:32 AM, Kurt Pawlikowski wrote: >> Grant, >> >> You peaked my interest. I attempted to find examples of spectral >> subtraction and only found talks about it (no audio examples). Would you >> happen to know where I might find some examples? Maybe comparing results >> between several noise reduction methods? >> >> Thanks! >> >> kurtt WB9FMC >> >>> On 9/10/2020 11:19 PM, Grant Youngman wrote: >>> I’ve recently been exploring quite a few of the many SDR receivers on >>> KiwiSDR. One of the (many) features of this system is an option to select >>> spectral subtraction NR. >>> >>> I’m now really hyped about the fact that this will be available at some >>> point on the K4. It works exceptionally well. So well, that I leave it >>> turned on most of the time. Often, stations you can barely copy down in >>> the junk literally pop up out of the noise. Don’t know if this will be >>> available at initial shipment, but it’s certainly something to look forward >>> to if not. I’ve only tried it on AM and SSB at this point, so not sure >>> about CW. >>> >>> Just something else to whet the appetite for that eventual “you’re up” >>> email from Elecraft sales … :) >>> >>> Grant NQ5T >>> ______________________________________________________________ >>> 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 >>> Message delivered to [email protected] >> ______________________________________________________________ >> 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 >> Message delivered to [email protected] > > > ______________________________________________________________ > 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 > Message delivered to [email protected] ______________________________________________________________ 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 Message delivered to [email protected]
