[arm-allstar] full duplex radioless node

[Doug Crompton]

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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> > > > >
> > > > > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> > > > >
> > > > _______________________________________________
> > > >
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> > > >
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> > > >
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> > >
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> > >
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> > >
> > _______________________________________________
> >
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> >
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> >
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