[App_rpt-users] Mini Computers

REDBUTTON_CTRL jrorke at cogeco.ca
Sun Feb 4 15:57:53 UTC 2018


I too have had the sputtering audio issues. Mostly it starts to degrade 
over a few days. I have run dial on Pi2 s and HP thin clients. and so 
far all of them need periodic reboots or asterisk restarts to clean up 
the audio.

I am using DIAL Full DSP with tone encode and decode. Some units have 2 
or 3 or nodes. Even a single node pi does it.
So if you have a magic set up that fixes this I would like to hear about it.

In one case I had to put back a full desk top pc to keep from having to 
re set on a daily basis.
Pcs dont seem to suffer from the motor boating issue.

Jon VA3RQ

On 2/3/2018 9:26 PM, JJC wrote:
> Skyler,
>
> I’ll have to disagree with your statements completely.  I have not only personally load-tested but I have and know of many high traffic systems that are running with zero “sputter” or issue.l on a Pi.  Several have been on the air and running for well over a year.
>
> I am also running one system in conjunction with DMRLink and transcoding audio (read a much heavier demand on System resources) from DMR<->  Analog with no “sputter”.  Granted the transcoding is offloaded to a separate chip but nonetheless.  On all of these systems running on a Pi 2 or 3 the system load from asterisk, DMRLink etc all combined never exceeds 15% and the audio is always clean ( not withstanding network craziness ).
>
> So having said all of this I would look elsewhere for what may be causing your audio ailments.  I can’t really point you in a specific direction other than to review overall system load and performance inline with general system administration best practices.  And of course standard troubleshooting methods of hardware swapping/testing and validation.
>
> JJC
> N0PKT
>
> Sent from the iRoad, so please ignore any typos or awesome autocorrects
>
>> On Feb 3, 2018, at 18:19, Skyler F<electricity440 at gmail.com>  wrote:
>>
>> At this point, I don't think the raspberry pi audio is as good as it could be on the raspberry pi. Even with a pi 3 on the best settings in usbradio, it will sputter every once and a while I realize Doug has implemented a precision timer, however, his image is not open source, and I cannot modify, therefore not an option for me.
>>
>> What is the best mini computer hardware available for reasonable prices nowadays that I could use in place of the pi? The raspberry pi arm architecture just does not seem to cut the current versions of AllStar and DAHDI. I realize how picky I am being, but I am sort of going crazy by some raspberry pi nodes i've put together with crazy sputtering issues. And the telemetry sometimes sounds like it is played at 1/2 speed. U
>>
>> Usbradio and simpleusb have their different problems, but neither seem to work ok. I would actually argue usbradio works better on the pi because it does not have an unreliable duplex audio delay.
>>
>> Do ATOM processers work well? Best suggestions here for something lightweight and non power-hungry?
>>
>> Thank You!
>> Skyler KDØWHB
>>
>>
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