Alberto, I regret to say that the audio quality is inferior to Spectravue on IQ recordings. I used basically the same bandwidth (lower cutoff 200 Hz on the IQ) and slow AGC. Otherwise I haven't tested it much.
Bjarne --- In [email protected], "i2phd" <[EMAIL PROTECTED]> wrote: > > Since releasing Winrad V1.30 I received some reports of lockups and > freezes. Somebody had them frequently (every few minutes), others > (like me) very rarely (and in my case this made difficult the debugging). > > Now I think I have nailed the culprit, which was an interaction > between a working thread and the GUI thread. The working thread used > some resources of the GUI thread and, depending on when this happened, > this caused the hangs, as not always those resources were available. > > The resources used were related to the floating display in the upper > waterfall/spectrum window, so the hangs were more probable when the > mouse cursor was hovering on that area. > > Additionally, I found another bug where (silly me...) I was checking > for the confinement of the values of a certain vector within given > limits. Stupidly the check was done only for the positive values, and > not for the negative ones.... that caused other hangs, especially when > the AGC was switched OFF (a new feature of V1.31) > > Finally, somebody reported that the sound quality of V1.25 was better > than that of V1.30. As I haven't done any changes that could affect > the sound quality I scratched my head, until I found what probably > could have caused that false impression of a lower quality. In V1.25 > the default lower limit of the audio passband was 180 Hz. everything > below that was cut, unless you had changed the lower border of the > passband window, In V1.30 I had lowered that value, bringing it to 120 > Hz by default. So if you did not change that default value, the sound > is richer in low tones, and this, especially for SSB signals, not > always is perceived positively. > > All this long story to invite you, and especially those who > experienced frequently the hang ups, to test a beta version of Winrad, > which has (hopefully) those bug fixed and the default low cut limit > brought again at 180 Hz. > > You can download this beta from here : > http://www.sdradio.eu/pgm/Winrad_131b09beta_setupXP.exe > reporting please whether it works or doesn't. > > If all is good, I will shortly release it, with some more features added. > > Thanks for your cooperation > > 73 Alberto I2PHD >
