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<p>If you have put the same FOB in as many machines for a test as
you say you have, with same results...</p>
<p>...'it's the FOB'. <br>
</p>
<p>Use one like it or one different.</p>
<p>...mike/kb8jnm<br>
</p>
<div class="moz-cite-prefix">On 3/31/2019 12:18 PM, Rob Noll wrote:<br>
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<p class="MsoNormal"><span style="color:windowtext">Unfortunately,
I don’t have one. I’d rather not start sinking money into
replacing things without knowing the root cause.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span
style="color:windowtext"> App_rpt-users
<a class="moz-txt-link-rfc2396E" href="mailto:app_rpt-users-bounces@lists.allstarlink.org"><app_rpt-users-bounces@lists.allstarlink.org></a> <b>On
Behalf Of </b>Mike<br>
<b>Sent:</b> Sunday, March 31, 2019 12:15<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:app_rpt-users@lists.allstarlink.org">app_rpt-users@lists.allstarlink.org</a><br>
<b>Subject:</b> Re: [App_rpt-users] USB fob
choppy/stuttering audio<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p>Try other FOB with a cm108<o:p></o:p></p>
<p><o:p> </o:p></p>
<p>...mike/kb8jnm<o:p></o:p></p>
<div>
<p class="MsoNormal">On 3/31/2019 11:58 AM, Bob Pyke wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">I don’t know
if this fits your situation, but the only time I’ve had
choppy audio is when something in asterisk or Linux is
unhappy; most likely asterisk. I’d check your USB related
settings (usbradio or simpleusb).<o:p></o:p></p>
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<p class="MsoNormal">Thanks,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Bob<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">K6ECM<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">73<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
On Mar 31, 2019, at 7:26 AM, Rob Noll <<a
href="mailto:rob@nollmail.com" moz-do-not-send="true">rob@nollmail.com</a>>
wrote:<o:p></o:p></p>
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<p class="MsoNormal">Good morning all,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I’m trying to set up an AllStar node
using a USB fob based on the CM119 chip. I’m having
issues with choppy/stuttering audio, particularly on
telemetry. It’s bad enough that it renders the CW ID
meaningless.<o:p></o:p></p>
<p class="MsoNormal">My original thought was lack of CPU
power, but I have tried it on a Raspberry Pi 2, Pi 3,
and several virtual machines on a quad-core PC with
identical results. Also, the choppiness is NOT as bad
when using the full USB driver instead of SimpleUSB,
which I believe conclusively rules out CPU power.<o:p></o:p></p>
<p class="MsoNormal">I’ve also tried a powered USB hub,
thinking that the USB device was not receiving enough
power, with no improvement.<o:p></o:p></p>
<p class="MsoNormal">I’ve used the Android mobile app to
connect to the node, and the telemetry does not seem to
be choppy when listening to it over the app. While I
need to do some more testing to say this conclusively, I
do believe at this point that my issue is narrowed down
to the USB fob itself and/or the specific audio stream
being sent to the device.<o:p></o:p></p>
<p class="MsoNormal">I’m currently searching for a way to
alter the sample rate that ASL is sending the audio to
the device in.<o:p></o:p></p>
<p class="MsoNormal">Has anyone experienced this, and does
anyone have any suggestions?<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Thanks and 73,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Rob, WX1N<o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
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