Micro-PC and Virtual Audio Cable use for PSK31

[dj0qn]

Hi Charlie,

I had to install HRD on the Win7/64 PC and take a look at this for you.

As far as I can tell, everyone is ok with your present setup. I have three
microphones showing all under input device and three speakers under
output, so this behavior appears to be correct.

If you look at the description on the right of HRD's soundcard program
options, it also says there that the output should be a speaker and the
input a source, so that confirms it. I think this has been right the whole
time for you and you had your logic backwards. At least that is what
it looks like from my side.

Just try it out and see if it works for you. Don't forget to use the Windows
audio settings if needed.

73,
Mitch DJ0QN / K7DX

[KB8CR]

Using a cable from the notebook's speaker out to the Dongle's mic jack, and a cable from the notebook's mic jack to the dongle's speaker out, it works fine. I was just understanding Mitch as saying that you could feed the audio to/from DM780 in SOFTWARE, WITHOUT cables by selecting the Microbit 1274A in the DM780 menu.

Charlie
KB8CR (as of this morning...new call)

[dj0qn]

Yes, Charlie, it works just fine without any cables whatsoever. The dongle contains a USB
sound card, you just use this sound card instead of cables. I suspect your problem may lie
with Windows settings, hard to say. But it should work just fine.

Aren't computers fun?   

73,
Mitch DJ0QN / K7DX

[KB8CR]

That's what I was hoping, but can't seem to get it setup.

In the Microbit RRC Client, which mic/speaker settings are you using?

THEN.....

In DM780, what "soundcard" selections are you using?

I *thought* I understood windows until now.....ha ha.

Charlie KB8CR

[KB8CR]

Well, looks like it is the LEVELS. I got into windows settings, and turn the Microbit Mic ALL THE WAY UP. Still barely is heard by DM780. Can't see any way to increase the levels.

[dj0qn]

I took some time today to try to see how this program behaves. I have never used DM780
before (nor am I an HRD user), plus I am not a digital mode user. However, I have helped
others to get digital modes working using the dongle with other programs.

I tried this using a TS-480 on 14.071 for PSK.

Anyway, everything seems to behave normal when I set DM780 to use the Microbit devices,
in the sense that HRD "hears" the signal and DM780 shows the signal as well on the bar on the
top of the PSK receive window (the one that moves back and forth and has tuning signal next to
the "AFC" button. However, it isn't decoding any signals. I tried various levels on both the dongle
and in Windows. Since DM780 shows the signal level, I assume that it is because I am too dumb to
figure out how to use this program. Maybe someone else has used this configuration and can tell
us what we are doing wrong. In the meantime, I will go back to using MixW or something else if
I ever decide to try digital modes again.

Sorry I can't get this working.

73,
Mitch DJ0QN / K7DX

[KB8CR]

Thanks so much for trying. Ill try using short cables.

Charlie KB8CR

[KB8CR]

I have finally found a solution for running PSK31 with HRD + DM780 on the RRC Micro.
http://www.vb-cable.com has a free virtual cable (only 1 input and 1 output) that I installed and select it in RRCMicro as the mic and speaker selection. Do the same in DM780. Set the levels by HRD's AF gain control for RX and adjust mic gain, and it all works perfectly. I have worked quite a few stations today. Taking the notebook with me to Florida tomorrow, and will try it over the internet, but no reason it shouldn't work just fine.

Charlie KB8CR

[troynm]

I have the same problem with DM-780 that everyone else has. I installed the virtual cables as one fellow did and DM780 works like a champ, but now I have no audio to listen to! Fine for digital modes but not so good for voice. Back to the drawing board. I'm using Windows 8.

[KB8CR]

If you go into the Audio settings in Windows, under Properties, you should be able to check a box that says "Listen to this device" if you want to hear the RX audio through your speakers (I didn't want to hear it on PSK).

73 Charlie KB8CR



Line 1 is the Virtual Cable on my computer

[KB8CR]

Just realized that won't work.....when you "listen" to the Virtual Cable input, it simply re-routes it to the Virtual cable. Oh well.