Lyle, Is the noise reduction more or less aggressive with a larger number of taps (length) of the filter?
73, ... Joe, W4TV > -----Original Message----- > From: elecraft-boun...@mailman.qth.net > [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Lyle Johnson > Sent: Wednesday, August 26, 2009 4:23 PM > To: Bob Cunnings > Cc: Elecraft > Subject: Re: [Elecraft] K3 NR > > > > ...For now I'll treat the parameter as an opaque > > series of magic numbers. > > The way the new beta NR works is: > > Fx-y > > x selects the length of the filter. > > F1 = 121 taps, F2 = 91 taps, F3 = 61 taps, F4 = 31 taps > > (The Beta 3.25 release used FIR filters of 61 taps.) > > y selects values of Beta (gain), decay, and delay (how long the NR > algorithm waits to process a signal) > > (The Beta 3.5 release used the "x" parameter for these selections) > > 73, > > Lyle KK7P > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > 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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html