[arm-allstar] Very low audio.

Fred C. w6bsd at bsdworld.org
Mon Apr 1 23:43:04 EDT 2019


Brian, 

I hope this trick will work for you. I think you are right to aim at a better radio than the baofeng. These radios are ok when you want to do casual work, but they are a little to cheap for something more serious. For example I programmed the squelch tone on my baofeng to 136.5Hz but I can open it by sending down to 127.3Hz or up to 146.2Hz. I might get an old Motorola from eBay soon.


Good luck, Brian on your node.

-fred-




> On Apr 1, 2019, at 8:09 PM, B Harvey <bharveytwo at gmail.com> wrote:
> 
> Fred,
> 
>    Well, I can't really say I'm GLAD your having similar problems but ours seem to have a lot in common. With regard to the DTMF tones, I could never connect or get my node to respond to commands, When I viewed the results of my DTMF commands in CLI, there were several tones (Those associated with 3, 6 and 9) that wouldn't get decoded. Raising the audio level helped with the decode but my node still wouldn't respond to the commands. That's when I found that my deviation was still too low. Estimating the scale on the live deviation menu, I suspect I was getting about 500hz before changing the levels and about 2500khz afterword. So, I think I'm still too low. Too for for this evening but I think I'll give Doug's recommendation and try and re-route my audio to pin 9. Hopefully It'll work for me too.
> 
> 
> Brian / KK6DOQ
> 
> 
> On Mon, Apr 1, 2019 at 4:31 PM Fred C. <w6bsd at bsdworld.org <mailto:w6bsd at bsdworld.org>> wrote:
> 
> Hi Brian, 
> 
> I am not playing an April’s fool joke unfortunately. This would mean that my problem will be gone my itself tomorrow.
> 
> You are describing the exact same problem I have. I made sure the radio is not running in narrow mode. I event checked again because I am at a point where I doubt everything now. I have tried to remove the resistor. The only thing I am getting a a crappier audio but not louder. I am sure what is on hamvoip is working, but like you said, there is a subtile difference between our radio and theirs or I missed something so obvious that I can’t see it.
> 
> Oh one interesting info, please tell me if you have the same behavior. All the DTMF codes are working fine for me. I can connect disconnect, get a status, etc, etc. 
> 
> -fred-
> 
> 
> 
>> On Apr 1, 2019, at 4:05 PM, B Harvey <bharveytwo at gmail.com <mailto:bharveytwo at gmail.com>> wrote:
>> 
>> Fred,
>> 
>>    I just ran through this very setup and suffered the same problem. Although many suggestions were given, nothing worked. It was suggested, that perhaps the radio will not function in wide band mode and I'm inclined to believe that is the case. I can assume that it worked for the person who developed the "How To" on the Hamvoip website but perhaps they had a different revision of the UV 82 radio. I even went so far as to remove the 4.7Kohm resistor in line with the receive line of the URI but it didn't help. I could never even reach the 3khz mark on the deviation test menu page. I'm now in the process of building a radioless node just to test my URI since I have the parts on hand. If that works, I'll go a different route with a radio. In all likelihood I'll use an Alinco DR 435 as this one is know to work well and not suffer long term ill effects. You posting with this problem almost makes me think I'm getting played the "April Fool"
>> 
>> 
>> Brian / KK6DOQ
>> 
>> On Mon, Apr 1, 2019 at 3:49 PM "Fred C. via ARM-allstar" <arm-allstar at hamvoip.org <mailto:arm-allstar at hamvoip.org>> wrote:
>> 
>> Hi everyone,
>> 
>> I am new to AllStar and new to that mailing list and I might ask a question that has been answered server time. I haven’t found the answer to my problem tho.
>> 
>> I have installed hamvoip, on a Raspberry Pi 3B+, I am using the URI made by DMK Engineering and a Baofeng UV-82, with the mods found on the hamvoip website. Everything seems to be working ok besides my low, very low audio. People I am talking with can barely hear me. On the receive everything is fine.
>> 
>> I have tried all the obvious things I could find on the internet, but nothing seems to be working. I have played with simple_usb_tune. The RX Boost Mode is on (1), my Rx Voice Level is set to 999. I have checked the alsamixer and the microphone input is all the way up. I have even try to remove the 4.7kΩ resistor on the DB25 connector and don’t get any improvements. 
>> 
>> I was wondering if someone had encountered this problem before or if something had an idea that I haven’t explored yet.
>> 
>> 73,
>> 
>> -fred-
>> 
>> -- 
>> Fred C. (070 #2569)
>> w6bsd at bsdworld.org <mailto:w6bsd at bsdworld.org> <mailto:w6bsd at bsdworld.org <mailto:w6bsd at bsdworld.org>>https://www.qrz.com/db/W6BSD <https://www.qrz.com/db/W6BSD> <https://www.qrz.com/db/W6BSD <https://www.qrz.com/db/W6BSD>>
>> 
>> 
>> 
>> 
>> _______________________________________________
>> 
>> ARM-allstar mailing list
>> ARM-allstar at hamvoip.org <mailto:ARM-allstar at hamvoip.org>
>> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar <http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar>
>> 
>> Visit the BBB and RPi2/3 web page - http://hamvoip.org <http://hamvoip.org/>



More information about the ARM-allstar mailing list