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List:       mythtv-users
Subject:    Re: [mythtv-users] hdmi audio
From:       jam <jam () tigger ! ws>
Date:       2024-02-02 10:34:49
Message-ID: 4548282.LvFx2qVVIh () seagull
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On Friday, February 2, 2024 4:44:29 PM AWST David Watkins wrote:
> Presumably the first monitor is not detected as having an hdmi audio
> capability?  Does it have built in speakers?

No speakers, but a headphone jack that does work (just no vu control)

alsamixer does not show a device

pavucontrol lets you configure a hdmi output. The meter bar shows activity. The 
level is unaffted by the level slider that does move.

> On Fri, 2 Feb 2024 at 05:51, James Linder <jam@tigger.ws> wrote:
> > > On Jan 31, 2024, at 15:41, Stephen Worthington
> > > <stephen_agent@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
> > 
> > 
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