[App_rpt-users] USB fob choppy/stuttering audio

Mike mm at midnighteng.com
Mon Apr 1 01:07:46 UTC 2019 

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 
> <mailto: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 <mailto:kb9mwr at gmail.com>
>     *Sent: * 	March 31, 2019 20:01:00
>     *To: * 	Users of Asterisk app_rpt
>     app_rpt-users at lists.allstarlink.org
>     <mailto: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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