[mythtv-users] Digital and Analog sound?

[Allen Edwards]

Thanks so much.  I now have analog and digital sound.  I guess looking at
alsamixer on my phone wasn't the best way to set it up :-)  I unmuted a few
more things, got sound on YouTube working and then found a setting on Myth
that worked for both digital and analog.

I still have a problem with video quality that might make me go back to
8.04 and will create a new thread.

In terms of my setup, I do not have HDMI outputs on my computer. I use a
DVI to HDMI cable. Interestingly, that cable only works with the 6600 video
card.  When I use it with the 8600 video card, I get unsupported signal
messages on the computer.  Switching to a DVI to DVI cable with a DVI to
HDMI pigtail works with the 8600 card.  I find that strange but Google led
me to try it and that worked.

Allen

On Wed, Aug 22, 2018 at 10:50 PM, Stephen Worthington <
stephen_agent at jsw.gen.nz> wrote:

> On Wed, 22 Aug 2018 21:19:49 -0700, you wrote:
>
> >I know I am over my head when the top Google search is a help page I
> >wrote.  Such is the case with the Digital Audio Tutorial.  The next search
> >revealed two others with the exact same question and nobody replied to
> >either query.
> >
> >The issue is that in the course of trying to get the 16.04 version to
> work,
> >something so frustrating I might go back to Myth 8.04, my Toshiba Coax
> >Dobly SPDIF to RCA Stereo converter quit working so now I have no sound
> >when looking at the TV without turning on the big sound system which burns
> >200 watts in standby (Class A) so I don't like to do that for watching the
> >news.
> >
> >If I could get the digital out as well as the analog I could just put the
> >analog into the TV.  But there is no output.  It was exceedingly difficult
> >to get the Digital Audio working 10 years ago when I wrote that HowTo,
> >which is why I wrote it.
> >
> >I thought someone might know if it is even possible.
> >
> >Allen
>
> We will need a bit more information to be able to help.  Just what
> hardware are you using for audio, in the PC and outside?
>
> Alsa is normally able to output digital and analogue sound at the same
> time, and often does on the default settings, but only to one device
> (if that device is capable of both).  If you are trying to get audio
> out the HDMI at the same time as out of the PC sound card, you will
> need to adjust the alsa settings to make that work as the Nvidia card
> HDMI audio is a different sound card from the PC motherboard one.
>
> If you are trying to get SPDIF out of the PC motherboard at the same
> time as using the motherboard analogue outputs, that is usually easy.
> Just run alsamixer from a root command prompt and unmute all the
> outputs you want.
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