Actually Karl, you are wrong to blame "Windows Junk" as you call it. gMFSK also allows for calibration of the sound card. This is done by accessing [settings-preferences-devices-sound] and adjusting as needed there.
Steve/WM5Z karl larsen wrote: > > > Steven M. Milner wrote: > > >Forgive the crossposting to four groups, but I thought that some of > you may > >benefit from my experience in setting up PCs for sound card modes. > > > >I am trying to set up two computers to work with a number of modes > including > >MT63, Olivia, and SCAMP. One computer worked OK on MT63 and > marginally on > >Olivia, the other could not receive MT63 or Olivia modes at all! > > > >I found that this was due to differences in sound card clock speeds. The > >nominal clock speed is 11025 Hz but each card varies from that. MixW > has a > >procedure for correcting for this variation by tuning in WWV and > examining > >the tones with SSTV mode. After performing this adjustment, MT63 worked > >perfectly. > > > >OliviaAid has a user defined sound card setting for compensating for this > >variation. To find the right setting you need to use a test signal and > >adjust the setting for maximum S/N ratio. The formula is: (Actual clk > >spd/11025)*8000 = sound card setting. This is what I ended up with: > > > > Sound Card MixW (ppm) Olivia Actual Clk (Hz) > >Sound Blaster 24bit External -2106 7977 10993 > >Sound Blaster MP3+ External 6983 8098 11160 > >SoundMax Digital Audio Internal 6843 8100 11163 > > > > > > > I am using a Sound Blaster on gMFSK which has every mode known to > man and I have never adjusted anything. I think your windows junk is too > screwed up. > > karl > > >Question for the Oliviadata group...Would data decoding improve if we > could > >correct the Paclink software timing for these variations in sound > card clock > >speeds? Rick, would it be possible to have a sound card setup in the > >software with a correction entry? > > > >Aloha & 73, > >Steve - WH6N > > > > > > > > > > > ><< Try MT63 on 80m - great fun!>> > > > >- The MT63 Reflector - > > [EMAIL PROTECTED] > > > >(To unsubscribe. send email to > >[EMAIL PROTECTED]) > > > >Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > > > > > > << Try MT63 on 80m - great fun!>> > > - The MT63 Reflector - > [EMAIL PROTECTED] > > (To unsubscribe. send email to > [EMAIL PROTECTED]) > > > > *Yahoo! Groups Sponsor* > ADVERTISEMENT > click here > <http://us.ard.yahoo.com/SIG=129ih4csd/M=298184.6018725.7038619.3001176/D=groups/S=1705034690:HM/EXP=1110675023/A=2593423/R=0/SIG=11el9gslf/*http://www.netflix.com/Default?mqso=60190075> > > > > > ------------------------------------------------------------------------ > *Yahoo! Groups Links* > > * To visit your group on the web, go to: > http://groups.yahoo.com/group/MT63/ > > * To unsubscribe from this group, send an email to: > [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > > * Your use of Yahoo! Groups is subject to the Yahoo! Terms of > Service <http://docs.yahoo.com/info/terms/>. > > The K3UK DIGITAL MODES SPOTTING CLUSTER AT telnet://208.15.25.196/ <a href="http://dxcluster.blogspot.com";><img src="http://feeds.feedburner.com/DigitalSpotter.gif"; height="67" width="200" style="border:0" alt="Digital Spotter"/></a> Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/digitalradio/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
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