[App_rpt-users] usbradio.conf rxdemod

[Mike]

Well,

I have a hard time to give you proper advice without more details but...

why not start by setting the demod flat, reduce the gain (run the 20db 
attenuator) and

adjust your audio levels from there and see what you get... / adjust on 
findings & let us know where you are

USBRADIO/SIMPLEUSB

deemphasis = no      ; enable de-emphasis (input from discriminator)
txboost = 0

rxboost = 0             ; 0 = 20db attenuator inserted, 1= 20db 
attenuator removed
                         ; Set to 1 for additonal gain if using a 
low-level receiver output
rxdemod=flat
txprelim=yes
txlimonly=no


Tune rx audio levels from this point for a start. Test the rx to decode 
dtmf , adjust tx afterwards.

My method here is not the best, but you got to start somewhere. I may 
not have thought of everything either.

There is audio tuning software build-in to the current code but I have 
never used it to advise.


...mike/kb8jnm


On 6/1/2018 5:42 PM, Bob Pyke wrote:
> The volume control is not in the radio.
>
> Thanks,
> Bob
> K6ECM
> 73
>
>
>> On Jun 1, 2018, at 2:40 PM, Mike <mm at midnighteng.com> wrote:
>>
>> does the volume change in app_rpt when you adjust the volume control on the radio ?
>>
>> ...mike/kb8jnm
>>
>>
>>> On 6/1/2018 5:36 PM, Bob Pyke wrote:
>>> Not sure exactly. The MASTR II has a TS-32, and the audio comes from “audio filter output” on the TS-32, which is driven by the MASTR II “VOL SQ HI” and from there is where it gets messy, as there appear to be errors in the schematic which indicates it is wired to the PTT, in one part of the schematic, and “SPkR H” in another part. I think they have some pi numbers miss labeled in the schematic.
>>>
>>> Thanks,
>>> Bob
>>> K6ECM
>>> 73
>>>
>>>
>>>> On Jun 1, 2018, at 2:21 PM, Mike <mm at midnighteng.com> wrote:
>>>>
>>>>
>>>> Are you using discriminator audio, line audio or speaker audio ?
>>>>
>>>>
>>>> ...mike/kb8jnm
>>>>
>>>>
>>>>> On 6/1/2018 5:19 PM, Bob Pyke wrote:
>>>>> When I set usbradio.conf
>>>>> rxdemod=flat ; the audio out of the repeater sounds muffled compared to the audio while listening to the repeater input with a monitoring radio. When
>>>>> rxdemod=speaker ; the audio out of the repeater sounds tinny compared to the audio input to the repeater.
>>>>>
>>>>> Is there a way to “select” something in between in software?
>>>>>
>>>>> Thanks,
>>>>> Bob
>>>>> K6ECM
>>>>> 73
>>>>>
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