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<p>Try other FOB with a cm108</p>
<p><br>
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<p>...mike/kb8jnm<br>
</p>
<div class="moz-cite-prefix">On 3/31/2019 11:58 AM, Bob Pyke wrote:<br>
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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).<br>
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<div>Thanks,</div>
<div>Bob</div>
<div>K6ECM</div>
<div>73</div>
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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:<br>
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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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