[App_rpt-users] USB fob choppy/stuttering audio

Mon Apr 1 01:10:25 UTC 2019

Perfect, thanks Mike. The auto generated usb conf files also have a decimal 
point, another numeral, a colon, and another numeral. Any idea what those 
represent, and if they should be present?

From: Mike mm at midnighteng.com
Sent: March 31, 2019 21:08:06
To: app_rpt-users at lists.allstarlink.org
Subject: Re: [App_rpt-users] USB fob choppy/stuttering audio

It denoteds the bus/hub and port on the bus/hub
Each bus uses one irq line in addressing, so if there is a problem, switch 
buses not ports.
There are 2 ports generally, to each bus/hub.
Perhaps this helps :
lsusb
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter 
<---------
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
usbradio_tune_29285.conf
[usb_29285]
; name=usb_29285
; devicenum=2
devstr=3-2  <-----------
rxmixerset=700
txmixaset=300
txmixbset=300
rxvoiceadj=0.950000
rxctcssadj=1.200000
txctcssadj=200
rxsquelchadj=400
...mike/kb8jnm
On 3/31/2019 8:51 PM, Rob Noll wrote:
> Nothing in lsusb's output is representative of the info in the devstr line 
> in the usb conf file. The device line is a single digit number as is one of 
> the data points displayed by lsusb, however, the device line is commented 
> out in every usb conf file I've looked at.
>
> From: Steve L kb9mwr at gmail.com
> Sent: March 31, 2019 20:48:09
> To: Users of Asterisk app_rpt app_rpt-users at lists.allstarlink.org
> Subject: Re: [App_rpt-users] USB fob choppy/stuttering audio
>
>
> No problem and for future reference:
>
>
> lsusb is a utility for displaying information about USB buses in the system 
> and the devices connected to them.
>
> https://linux.die.net/man/8/lsusb
>
>
>
>
>
> On Sun, Mar 31, 2019 at 7:11 PM Rob Noll <rob at nollmail.com> wrote:
> Thanks for the reply.  I didn't wish to name the USB device as I didn't 
> want to appear to be giving it a bad name if it was not the culprit. Sorry 
> you feel I didn't give enough information to begin narrowing down the problem.
>
> At a suggestion I received elsewhere, I tried HamVoIP to see if the issue 
> was the same.  The audio is perfect with HamVoIP. Since I'd rather 
> implement this setup on an existing Debian system instead of having a 
> dedicated device, I'd like to try to figure out a way to get ASL working 
> with this device.  One gentleman suggested looking into the device ID and 
> making sure it was correct, however, he didn't know how to determine the 
> correct information.  At any rate, some light reading has informed me that 
> there seems to be some serious bad blood between HamVoIP and ASL, so since 
> I've gotten to the point where the issues exists in one but not the other, 
> and is therefore in the software and not the hardware (be it the cpu, 
> radio, or interface), I suspect I'm better off trying to figure it out on 
> my own.
>
> Thanks to everyone who took the time to respond.
>
> Rob
>
> From: Steve L kb9mwr at gmail.com
> Sent: March 31, 2019 20:01:00
> To: Users of Asterisk app_rpt app_rpt-users at lists.allstarlink.org
> Subject: Re: [App_rpt-users] USB fob choppy/stuttering audio
>
>
> What would be very beneficial to all is when you post a question on any 
> list (be it Allstar or whatever); is to identify and share as much as you 
> can in terms of software you are running as well as hardware.
>
> Example:
> ASL 1.01 Raspbian Stretch Image on a Raspberry Pi 2b
> Interface:
> DMK USB URI
> Radio:
> Motorola Maxtrac
> Issue:
> Choppy Transmit audio
>
> Since there are multiple combinations of software and hardware, folks 
> really need to elaborate.  No one is a mind reader.  It would help if you 
> are running the hamvoip image to post the question to their list at:
> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> Since there are a number of differences between the distros and the fact 
> theirs is closed, one cannot even begin to really guess at what the issues 
> might be as as you cannot see what is different at a code level even if you 
> share as much detail about your configs.
>
> In my opinion each can have its place (one for more experienced users which 
> to be able to roll their own/experiment and one for fairly new to Linux), 
> however I would rather at some point see the two groups work together 
> again.  Till such a time users just need to realize what they are running, 
> and who to go to for support, else it just creates a guessing game and 
> further hostility.
>
>
>
>
>
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