On 20/12/2019 09:36, R.Wieser wrote:
> Dennis,
>
>> If you are running in a graphical environment
>
> I (ofcourse?) tried both the GUI as well as console-based suggestions that I
> could find.  Alas, none of them made a difference.
>
> But I remembered having another sd card with the same, but not actually used
> OS on it.  It had no problem, using "speaker-test", to output sound over the
> the audio jack.   In other words: the only difference is that I used a
> default configuration and no extra packages (same KVM config).
>
> On the first I did enable SPI, I2C and Bluetooth, and installed some
> packages.   Might bluetooth be causing problems perhaps ?   While pairing
> (with a smartphone) I did see something come by related to bluetooth audio
> ...
>
> And although I've not been able to google anything in this regard, do you
> maybe know of a guide or maybe even a diagnostic program for problems like
> these ?
>
>> pi@rpi3bplus-1:~$ uname -a
>
> Linux raspberrypi 4.19.57-v7+ #1244 SMP Thu Jul 4 18:45:25 BST 2019 armv7l
> GNU/Linux
> (for both of the above mentioned sd cards)
>
>> The "alert" character only produces a sound if the terminal/console
>> is configured to interpret the character and generate a sound.
>
> While googeling I read it could be (nowerdays by default) disabled, yes (no
> mentioning about how to change that though :-\ )
>
>>> there another way to generate (a simple) sound using Python (other than
>>> shelling to to an external program I mean) ?
>>
>> It is dependent upon the console in use
>
> :-)   I ment that as "something build into Python".   I read about a "beep"
> function, but that one needed another package to be installed.
>
> I even tried an example that used writing to "/dev/audio", but it wouldn't
> work (but didn't throw an error either).  Only when I read that that device
> was removed in v3.x I realized I had just been creating and writing to a
> simple file. :-|
>
> Regards,
> Rudy Wieser
>
>

Do you have "hdmi_drive=2" set in /boot/config.txt?
Do you have alsa-utils installed? If so what does "amixer cget numid=3" say?
Have you tried raspi-config, advanced options?


--

Chris Elvidge, England

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