I find that if the tx audio settings are close to the edges of adjustment for the URI then you get Allison distorted.

First I would preset the input and output audio pots on the controller for 1 v p-p if possible. Then set the tx and RX audio on the URI.

If that still has distorted audio you may need to take out the audio boost or put it in, then re-cal the audio levels on the node.

If all else fails, then in usbradio set txprelim=yes and re-cal the audio in the node.

These steps should easily take care of this issue.

Jon RQ



On 4/15/2016 7:24 AM, Steve Zingman wrote:
Steve,
stop asterisk

cd /usr/src
svn co http://svn.ohnosec.org/svn/projects/allstar/uridiag/trunk uridiag
cd uridiag
make
chmod +x uridiag
./uridiag

I will add it to the next rev

73, Steve N4IRS


On 04/15/2016 07:12 AM, Stephen - K1LNX wrote:
Hi guys... I've got a SimpleUSB full duplex system connected to a port on my controller (Arcom RC210) and I've noticed something weird with telemetry announcements, specifically connect/disconnect messages, and I've tried with both a URI and URI-X with the same results.

I suspect the audio may be clipping in the controller, even though the levels appear to be adjusted correctly for 3Khz deviation @ 1Khz modulation in and out, so I want to make sure the URI(s) are not the problem. 

I see you can build a loopback connector (docs.allstarlink.org/drupal/node/143), but what's the best way to test this? Is there a way to inject/monitor audio? I'd like to see if I can reproduce the choppy audio so I can eliminate this being something in my system and/or URI(s). 

tnx
Stephen
K1LNX


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