[mythtv-users] hdmi audio

[Stephen P. Villano]

On 2/2/24 00:49, James Linder wrote:
>
>> On Jan 31, 2024, at 15:41, Stephen Worthington <stephen_agent at jsw.gen.nz> wrote:
>>
>> On Wed, 31 Jan 2024 15:05:45 +0800, you wrote:
>>
>>> The lack of VU control does not happen on other monitors!
>>>
>>> I’m using a SAMSUNG LS32A700NWEXXY 32INCH S7 4K monitor. I am trying to not use a USB-audio-line-out (which works fine) but use the monitor headphone output.
>>>
>>> All is fine except I have NO VU control. I have tried pulse and alsa controls (where the slider moves) but it has no effect on volume.
>>> Wunse-upon-a-time I’m sure I recall ‘myth internal volume control’  It seems to be gone. Currently vol [adjusting the mixer] from 0..100% has no effect.
>>>
>>> I can turn the speaker volume knob but I’d prefer local control. Any opinions ?
>>>
>>> Thanks
>>> James
>> So is the audio going to the monitor on the HDMI connection?  If so,
>> then you need the volume controls for the HDMI audio device, not the
>> motherboard audio device.  In alsamixer, use F6 and select the HDMI
>> device.
> Under ALSAMIXER there is no hdmi device, yet the sound, without vu control comes out the monitor headphone socket.
> With another monitor, ASUS, there IS a hdmi sound device and the level can be changed
>
>   The USB sound dongle was $10 so I’ll mutter the rude word, beeep, and keep using it, where all is works as expected
>
> Thanks
> James
>
>
> _______________________________________________
I remember having some oddity long ago that was similar. Played with alsa utilities to figure out which output to use, as one output acted like a fixed line out, the other worked through the mixer. Can't recall specifics now, it was quite long ago.