[WT-support] Delay in MK2R+ monitor

Mikael Larsmark mike at sm3wmv.com
Fri Oct 24 16:50:04 CEST 2014


Hi Toni and others,

http://burianek.com/blog/archives/513

This is described for line but I believe it works the same way with the microphone. I have run into this issue too when dealing with Windows 7 and running the mic through the computer.


Mike, SM2WMV (SJ2W)


24 oktober 2014, Toni Lindén <toni.linden at gmail.com> skrev:
> Hi Joe & all!
> 
> Did not quite understand yet what would be the exact actions to reduce
> the echo. I tried to look at Windows sound card settings, but found
> nothing relevant.
> 
> 73 de Toni, OH2UA
> 
> 
> > Somehow this seems to be Win7 and soundcard related issue. Any
> > suggestions?
> > 
> Yes, it is related to your sound card settings in Windows. The
> audio through the sound card must go through analog to digital
> conversion, encoding, decoding, and digital to analog conversion
> before reaching the transmitter *plus any monitor delay* in the
> transceiver. You can adjust the Windows encoding settings (default
> format) to minimize the conversion/encoding delays (Windows Sound
> Control Panel). Some transceivers (e.g., K3) have a "fast" monitor
> setting with no ADC/processing/DAC steps to reduce monitor delay.
> 
> 73,
> 
> ... Joe, W4TV
> 
> 2014-10-24 14:13 GMT+03:00 Toni Lindén <<toni.linden at gmail.com>>:
> > Hi there!
> > 
> > I've noticed a remarkable delay in monitor sound when using MK2R+
> > connected to Win7 PC and having router "audio switching" set to CmCmCm
> > (so that mic is routed throw MK2R+ sound card).
> > 
> > The delay makes it impossible to speak and monitor my TX at the same
> > time because brains get locked by delayed monitor audio.
> > 
> > I can switch to CmCmA to avoid this problem, but then I can't use DVK
> > as efficient way as with CmCmCm. With CmCmCm I can eg. play report in
> > between my own speak without releasing foot switch.
> > 
> > Somehow this seems to be Win7 and soundcard related issue. Any suggestions?
> > 
> > 73 de Toni, OH2UA
> > _______________________________________________
> Support mailing list
> <support at win-test.com>
> <http://lists.f5mzn.org/cgi-bin/mailman/listinfo/support>
> 
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