[arm-allstar] full duplex radioless node

[B Harvey]

Understood. Thank you Doug.


Brian / KK6DOQ

On Tue, Apr 9, 2019 at 10:56 AM "Doug Crompton via ARM-allstar" <
arm-allstar at hamvoip.org> wrote:

> No,  Channel A and B are both the same audio.
>
>
> *73 Doug*
>
> *WA3DSP*
>
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>
> On Tue, Apr 9, 2019 at 1:07 PM "B Harvey via ARM-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > Doug,
> >
> >    Of course. I should have clarified that in my question. Well, it
> sounds
> > easy. Hopefully it will turn out to be when I set everything up. On a
> > related note, is it possible to redirect the local audio (audio from the
> > mic) so that it is played through the other, unused channel of the sound
> > FOB? This side could be "volume down" in most circumstances but only
> turned
> > up for testing or other unique circumstances?
> >
> >
> > Brian / KK6DOQ
> >
> >
> >
> > On Tue, Apr 9, 2019 at 9:49 AM "Doug Crompton via ARM-allstar" <
> > arm-allstar at hamvoip.org> wrote:
> >
> > > Yes,  But only on a node that has full duplex audio like a radio-less
> > node.
> > > It obviously would not work with a half duplex radio node.
> > >
> > >
> > > *73 Doug*
> > >
> > > *WA3DSP*
> > >
> > > *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
> > >
> > >
> > > On Tue, Apr 9, 2019 at 12:31 PM "B Harvey via ARM-allstar" <
> > > arm-allstar at hamvoip.org> wrote:
> > >
> > > > Doug,
> > > >
> > > >  Will this change alone allow me to issue DTMF commands (and the node
> > > > respond) when the node/network is receiving transmissions?
> > > >
> > > > Brian / KK6DOQ
> > > >
> > > > On Tue, Apr 9, 2019 at 9:09 AM "Doug Crompton via ARM-allstar" <
> > > > arm-allstar at hamvoip.org> wrote:
> > > >
> > > > > Brian,
> > > > >
> > > > >   If you want full duplex without hearing yourself use  duplex=3 in
> > > > > rpt.conf
> > > > >
> > > > > This is very useful when using a radio-less node.
> > > > >
> > > > >
> > > > > *73 Doug*
> > > > >
> > > > > *WA3DSP*
> > > > >
> > > > > *http://www.crompton.com/hamradio <
> http://www.crompton.com/hamradio
> > >*
> > > > >
> > > > > On Tue, Apr 9, 2019 at 11:43 AM "B Harvey via ARM-allstar" <
> > > > > arm-allstar at hamvoip.org> wrote:
> > > > >
> > > > > > All,
> > > > > >
> > > > > >        I've got my heart set on building a full duplex radioless
> > node
> > > > > > similar to the one shown on the Hampvoip.org tutorial
> > > > > > https://hamvoip.org/hamradio/USBFOB_without_radio/
> > > > > >
> > > > > >        I recall that when I set up my last node (which used a
> radio
> > > > > > interface) I was asked to select whether I would be using a half
> > > duplex
> > > > > or
> > > > > > full duplex in the setup questions. If I select full duplex, it
> > isn't
> > > > > clear
> > > > > > to me what would prevent audio feedback between the speaker and
> mic
> > > > when
> > > > > I
> > > > > > key up. Are there additional changes other than having the mic
> PTT
> > > > button
> > > > > > sink the COS line through the diode as shown in the schematic?
> > > > > >
> > > > > > Brian / KK6DOQ
> > > > > > _______________________________________________
> > > > > >
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> > > > > >
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> > > > > >
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> > > > >
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> > > > >
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> >
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