Wayne, What gain and vox settings are you using? On Tue, Jul 3, 2018 at 12:27 PM, Wayne Burdick <[email protected]> wrote:
> The numeric value is a relative indication generated by the math we use in > our algorithm; it’s not actually an attempt to quantify compression in dB. > Multiple factors including power level, ALC level, and mic gain setting are > taken into account. I’ll dig up the full details of the implementation when > I get a chance. > > Meanwhile (anecdotally): at any setting the compression is very clean, and > at the high end it greatly increases the “punchiness” of the signal. > > Wayne > N6KR > > > > On Jul 3, 2018, at 10:14 AM, Jim Brown <[email protected]> > wrote: > > > > On 7/2/2018 5:23 PM, Wayne Burdick wrote: > >> I generally leave TX CMP at 20, but even at 30, the audio is very > clean. The extra punch can help with QRP and/or small antennas. > > > > Hi Wayne, > > > > You're looking at the wrong thing to set compression, because the > numeric value doesn't take the mic sensitivity into account. Rather, we > should be looking at the indicated gain reduction on audio peaks, and 10 dB > is a good objective. > > > > As an audio pro, my advice is 1) set TXEQ so that you're not wasting > power transmitting low frequency speech sounds (max cut for the first three > bands, 6 dB cut for the fourth) 2) Set CMP for the indicated value of gain > reduction 3) Get some signal reports from a good listener. This > combination results in about 13 dB of increased talk power (3 dB for the > EQ, 10 for CMP). > > > > 73, Jim K9YC > > > > ______________________________________________________________ > > 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]
