[arm-allstar] DTMF Masking

[David McGough]

True...


On Fri, 10 Nov 2017, "Doug Crompton via arm-allstar" wrote:

> But to notch all DTMF you would need 8 filters, four low tones and four
> high. Not sure how that would effect the audio. Worth a try I guess.
> 
> 
> *73 Doug*
> 
> *WA3DSP*
> 
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
> 
> 
> On Fri, Nov 10, 2017 at 12:40 AM, "David McGough via arm-allstar" <
> arm-allstar at hamvoip.org> wrote:
> 
> >
> > Hi William,
> >
> > Ah, so the DTMF is coming in-bound to your node from another node, via a
> > link??  ...As you've found, remote-originating DTMF tones don't get
> > locally processed (at your end), so, at least they won't accidentally
> > activate an AllStar feature.
> >
> > It's possible that the app_rpt notch-filter capability could reduce the
> > amplitude of these tones, making them less noticeable. I haven't actually
> > tried the notch capability for this type application....Has anyone else
> > tried this? ...If not, I'll give it a whirl and report back.
> >
> >
> > 73, David KB4FXC
> >
> >
> >
> >
> >
> >
> >
> > On Thu, 9 Nov 2017, William Freeman wrote:
> >
> > > Dtmf audio from a node that I regularly connect to in Vegas is being
> > transmitted over the link. It's not having any effect on my nodes
> > others than it is annoying.
> > >
> > > Sent from my iPhone
> > >
> > > William Freeman
> > >
> > > > On Nov 9, 2017, at 8:53 PM, David McGough <kb4fxc at inttek.net> wrote:
> > > >
> > > >
> > > > Hi William,
> > > >
> > > > Locally originating DTMF tones are usually dynamically muted by the
> > > > AllStar software. So I'm confused as to the problem you're having?
> > > >
> > > > Note that there is a switch in the simpleusb.conf file which will turn
> > off
> > > > all DTMF processing (dtmf_dsp=0) on a per-node basis, and if disabled,
> > > > DTMF would not be muted.
> > > >
> > > > What exactly is happening?
> > > >
> > > > 73, David KB4FXC
> > > >
> > > >
> > > >> On Thu, 9 Nov 2017, "William Freeman via arm-allstar" wrote:
> > > >>
> > > >> In AllStar, is there anyway to "mask" or "mute" the DTMF tones that
> > are in
> > > >> the repeated audio so others don't have to hear them? Thanks Bill
> > N4NJJ
> > > >>
> > > >>
> > > >
> > >
> >
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