A good basic audio test is:

aplay /usr/share/sounds/alsa/Front_Center.wav

It may be that you have multiple audio devices (e.g. an HDMI monitor)
and the wrong one is being used by default.

~iain

On Wed, Apr 18, 2018 at 1:31 PM, 'William Becks' wa8wg@centurytel.net
[op25-dev] <op25-dev@yahoogroups.com> wrote:
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> Dick,
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> There should be no issues moving to Ubuntu 16.04 unless you don’t you’re missing an rx.py command line option or have an incorrect virtual machine audio setting. Have you tired running speaker-test (speaker-test -t sine -f 400 -c 2) from the terminal? Alternatively you can click into the system settings on the desktop then select sound where you can use the GUI tool to configure and test your speakers.
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> It that checks out, then please post your rx.py command line and trunk..tsv files.
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> Bill
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> From: op25-dev@yahoogroups.com [mailto:op25-dev@yahoogroups.com]
> Sent: Wednesday, April 18, 2018 12:45 PM
> To: op25-dev@yahoogroups.com
> Subject: Re: RE: [op25-dev] Some help with Error in `python' please
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> Thanks Bill and all for all your help.....i did have it working on ubuntu 14 and by working I was hearing traffic both ways.....I have installed ubuntu 16.04 , updated it, loaded the max branch that your referring
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> to from the boatbod URL...I then su to root and run the install.sh script...it runs but am having no sound again...is your ubuntu the 14 or 16 version? I'll wait on hearing back and go from there.....thanks again
> for everyones help too....
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> On Wednesday, April 11, 2018, 3:30:05 PM CDT, 'William Becks' wa8wg@centurytel.net [op25-dev] <op25-dev@yahoogroups.com> wrote:
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> Dick,
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> I have op25 running on two separate Ubuntu 16.04 Virtual Machines in Oracle VirtualBox. One of the VM’s has the MAX branch while the other has Graham’s [Boadbod] version. I believe you are using virtualization and can accomplish this much easier than trying to install both on the same machine and having to keep the two versions from conflicting with each other. I’ve not installed the Osmocom version in a long time because of the numerous code and feature improvements by Max, Graham, and a few other contributors.
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> Bill
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> From: op25-dev@yahoogroups.com [mailto:op25-dev@yahoogroups.com]
> Sent: Wednesday, April 11, 2018 3:08 PM
> To: op25-dev@yahoogroups.com
> Subject: Re: [op25-dev] Some help with Error in `python' please
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> Can you install both versions of op25, ie.. max branch and osmocom op25 version on the same installation
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> of ubuntu and it work?
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