[arm-allstar] dtmf audio level

Don Sayler don.sayler at gmail.com
Mon Aug 15 22:34:18 EDT 2022


I seem to recall there was a way to get the CLI client to display the
decoded DTMF key, but now I can't remember how to do it.

On Mon, Aug 15, 2022 at 5:26 PM Don Sayler <don.sayler at gmail.com> wrote:

> The tones are coming in over one of 4 repeaters, through the controller. I
> did run simpleusb to set the audio level into the node. I'll try the
> de-emphasis setting.
>
> We are planning a site visit on Friday to adjust the levels on each
> repeater.
>
> On Mon, Aug 15, 2022, 5:01 PM David McGough <kb4fxc at inttek.net> wrote:
>
>>
>> Don,
>>
>> Where are the DTMF tones in question originating?  A radio or the
>> external
>> controller?
>>
>> You need to set the audio levels using simpleusb_tune_menu (SUSBTM) (admin
>> option #12).  You'll see a graphical level display from SUSBTM option
>> #2.
>> The RX level should typically be between the 3KHz and 5KHz points.
>>
>> If your controller is outputing "flat" RX audio, make sure to turn on
>> De-emphasis, menu option G.
>>
>>
>> 73, David K4FXC
>>
>>
>>
>> On Mon, 15 Aug 2022, "Don Sayler via ARM-allstar" wrote:
>>
>> > Our node isn't recognizing dtmf tones. After doing a bit of
>> experimenting,
>> > I have figured out that the audio level is too high and distorting the
>> > tones. But the voice audio level is fine. Is there a way to adjust the
>> > level of the dtmf tones individually? I didn't see one, and I'm not even
>> > sure how that would work. But I figured I'd ask the question...
>> >
>> > Thanks.
>> > Don
>> > _______________________________________________
>> >
>> > ARM-allstar mailing list
>> > ARM-allstar at hamvoip.org
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>> >
>> > Visit the BBB and RPi2/3/4 web page - http://hamvoip.org
>> >
>>
>>


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