[mythtv-users] hdmi audio

James Linder jam at tigger.ws
Fri Feb 2 05:49:39 UTC 2024

> 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


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