1. main@nw-digital-radio.groups.io

Re: Thumb dv audio breakup

"John D. Hays" <john@...>
 

A tool everyone should get familiar with

http://www.pingtest.net/

Packet loss and jitter are your enemies.  These are things that can only be fixed on your network connection / ISP.

The connection between the computer and the ThumbDV or PiDV is simply a serial port that passes packets back and forth.  PCM (Audio) to AMBE or AMBE to PCM (Audio), everything else is up to the application (which in turn uses services from the operating system).

On Tue, Jan 5, 2016 at 9:33 AM, Les Norton gm4jnw@... [UniversalDigitalRadio] <UniversalDigitalRadio@...m> wrote:
 

I did some tests and here are the details:

here are 3 tests i did:

1) transmit 8 seconds, return  6.8 seconds
2) transmit 11.3 secs return 7.8 seconds
3) transmit 15.1 secs return 11.1 seconds

So you can see the reason for the dropped words on transmission

Also restarted the router in case it was an internet issue.
Have pretty slow internet speed 2.2mbps but it never caused issues with my previous dongle.

I agree could be packet loss - have also shared the info with the retailer



Or is it a matter of returning it?



--

John D. Hays
K7VE

PO Box 1223, Edmonds, WA 98020-1223 
  
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