[App_rpt-users] Stuttering Audio

Wed Dec 11 15:06:45 UTC 2013

For the system that has the telemetry announcements issue, please provide
details of your configuration and setup, are you using usb fob or uri or
RTCM? Are you using DSP or simple? What CPU and what Speed? What
motherboard? Any USB hubs? What OS install, which version of app_rpt? if
using RTCM, what version of code on it? how many receivers? What other
software are you running on the same OS install? Did you use the
allstarlink.org web interface and let it install the config files or did
you hand create your configuration files? Are you using virtual machine?
Are you using ntpd? What configuration options are you using (send config
files). The more information that you provide, the more likely someone can
identify exactly what will fix the problem.  Without any of that
information, my first guess is that you are using a slow single core CPU
and maybe you are running ntpd with a usb fob on a hub and DSP enabled. Is
that what you have?  Please give details.
Chuck, CCIE2285

On Wed, Dec 11, 2013 at 6:41 AM, Andreas Pleschutznig <andy at ple.org> wrote:

> In my line of work (software engineering) we call a problem that comes up
> again and again and again one of two things: either a bug or fundamentally
> bad software design. Since this problem happens only once in a while I tend
> to believe its a bug rather than fundamentally bad design.
>
> Now as for all the network mumbo jumbo: if you have the same problem of
> garbled audio on telemetry announcements (which my node does) then all
> hardware outside of the PC is irrelevant. If at the same time the PC shows
> a utilization of only about 10% it is fair to assume there is enough horse
> power.
>
> The faster the developers accept we have a real bug here instead of
> looking for the source everywhere else but in the code the faster this bug
> will get resolved.
>
>
>
>
>
>
> --
> Andreas Pleschutznig | KA5PLE | Cell: 832-633-7817 | Sent: iPad
>
>
> *From: *Chuck Henderson < <rpt2 at chuck.midlandsnetworking.com>
> rpt2 at chuck.midlandsnetworking.com> *To: *app_rpt mailing list <<app_rpt-users at ohnosec.org>
> app_rpt-users at ohnosec.org> *Subject: *Re: [App_rpt-users] Stuttering Audio *Date:
> *12/11/13, 2:28 AM
>
>
> I have several of these systems and have used the usb fob and the voter
> board/RTCM's. I run the systems on Intel ATOM motherboards and have had no
> problems due to the systems or the software.  But I have had problems
> caused by network components.  One time I had what I can describe as
> stuttering audio and I one by one tried rebooting devices including all
> devices of the all star system, the network switches, and the network
> router.  I did these one by one and allowed time between each and the
> device that fixed the problem was one of the MikroTik router boards.  After
> rebooting it the problem was solved.  6 months later the problem came back.
>  This time I only rebooted the MikroTik router board and it fixed the
> problem.
>
>
> Don't blame the allstarlink system or the app_rpt or the centos system as
> they are proven to work reliably for very long periods of time.  cheep
> network switches and routers are the most likely cause of problems, and
> even the expensive network switches and routers have been known to cause
> these problems.
> Also, if you are having problems with the Asterisk system crashing then
> first look at the hardware that it is ruining on.  I play with just about
> every feature that the system has and even try making it do thing that it
> is not suppose to do and try pushing it to it's limits and it is very
> solid.
> Chuck, CCIE2285
>
>
> On Tue, Dec 10, 2013 at 10:33 PM, Doug Crompton < <doug at crompton.com><doug at crompton.com>
> doug at crompton.com> wrote:
>
>>
>> Well I don't have enough experience to say you are wrong but I can say
>> there are plenty of people that don't have the problem. If you think your
>> computer does not have enough horsepower to run usbradio then try
>> simpleusb. It works fine. I have been running Asterisk as a PBX for over 10
>> years and there are some applications and some things you can do to make
>> audio go sour but "fundamentally" the system is sound and used by hundreds
>> of thousands worldwide.
>>
>> So what is the "fundamental" bug in the software?
>>
>>
>>
>>
>> *73 DougWA3DSP http://www.crompton.com/hamradio
>> <http://www.crompton.com/hamradio>*
>>
>>
>>
>> ------------------------------
>> To: <doug at crompton.com> <doug at crompton.com>doug at crompton.com
>> Subject: Re: [App_rpt-users] Stuttering Audio
>> From: <andy at ple.org> <andy at ple.org>andy at ple.org
>> Date: Tue, 10 Dec 2013 21:50:07 -0600
>>
>> There is nothing wrong with his system. This is a fundamental bug in the
>> software. I have heard this now described in many different ways, but I am
>> certain it is the same problem again and again. Since we have all different
>> setup, networks, ... It is very unlikely that every time it is a problem
>> with the 'customers' site. We just have to admit and acknowledge that this
>> is a bug in the software and we will face this until the software is being
>> fixed.
>>
>> There seem to be a number of things we can do to alleviate the problem
>> but it's not going away.
>>
>>
>>
>>
>>
>> --
>> Andreas Pleschutznig | KA5PLE | Cell: 832-633-7817 | Sent: iPad
>>
>>
>>  *From: *Doug Crompton < <doug at crompton.com> <doug at crompton.com><doug at crompton.com>
>> doug at crompton.com> *To: *Ron Phillips < <aa7rp at cox.net> <aa7rp at cox.net><aa7rp at cox.net>
>> aa7rp at cox.net> *CC: *" <app_rpt-users at ohnosec.org><app_rpt-users at ohnosec.org><app_rpt-users at ohnosec.org>
>> app_rpt-users at ohnosec.org" < <app_rpt-users at ohnosec.org><app_rpt-users at ohnosec.org>
>> app_rpt-users at ohnosec.org> *Subject: *Re: [App_rpt-users] Stuttering
>> Audio *Date: *12/10/13, 9:25 PM
>>
>>
>> This is a hard one to decipher because it can be so many things. Your
>> system, your local network, the Internet, and the same things at the other
>> end. There are a lot of people with poor signals, either audio level or
>> quality or packet loss on both Allstar and IRLP and of course echolink.
>>
>> Does this happen on all stations? Does it depend on local network
>> loading? Do you here it on an echo test? What kind of Internet connection
>> do you have? Do other report problems on your signal?
>>
>>
>>
>> *73 DougWA3DSPhttp://www.crompton.com/hamradio
>> <http://www.crompton.com/hamradio>*
>>
>>
>>
>> ------------------------------
>> From: <AA7RP at cox.net> <AA7RP at cox.net> <AA7RP at cox.net>AA7RP at cox.net
>> To: <app_rpt-users at ohnosec.org> <app_rpt-users at ohnosec.org><app_rpt-users at ohnosec.org>
>> app_rpt-users at ohnosec.org
>> Date: Tue, 10 Dec 2013 18:18:26 -0700
>> Subject: [App_rpt-users] Stuttering Audio
>>
>>
>> All too often, I have a problem with stuttering inbound audio.  It's
>> happening every few minutes and it lasts for several seconds then clears
>> up.  I don't know how to describe it other than it sounds like the voice is
>> mixed with about a 5 Hz signal.  Has anyone experienced this type of
>> problem, and if so, have you solved it?
>>
>>
>>
>> Ron Phillips
>>
>> AA7RP
>>
>> _______________________________________________ App_rpt-users mailing
>> list <App_rpt-users at ohnosec.org> <App_rpt-users at ohnosec.org><App_rpt-users at ohnosec.org>
>> App_rpt-users at ohnosec.org
>> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
>>
>>
> _______________________________________________
> App_rpt-users mailing list
>  <App_rpt-users at ohnosec.org> <App_rpt-users at ohnosec.org>
> App_rpt-users at ohnosec.org
> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.keekles.org/pipermail/app_rpt-users/attachments/20131211/3ee963da/attachment.html>