HDMI out to TV, no sound

Thomas Milne thomas.bruce.milne-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Fri Jun 3 22:41:38 UTC 2011


On Fri, Jun 3, 2011 at 6:32 PM, Lennart Sorensen <
lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org> wrote:

> On Fri, Jun 03, 2011 at 06:08:56PM -0400, Thomas Milne wrote:
> > I've googled this, and I can't find a straight answer:
> >
> > If I have an HDMI out on my video card, and I connect to my TV, is that
> all
> > I need? Should that convey the sound? The manual for the video card says
> > nothing on the subject. There were no extra cables or anything, though
> some
> > people seem to be saying you need to connect the video card to a sound
> > device?
>
> Some video cards have audio support.  Many do not.
>
> You would have to use the video card's audio device for sound output to
> get sound on HDMI.  Some video cards needed an spdif cable connected to
> the sound to transfer the audio.
>
> On my laptop in alsamixer I see:
>
> Card: HDA Intel
> Chip: Nvidia MCP77/78 HDMI
>
> So I suspect it would be connected correctly if I tried HDMI (I never
> have so far).
>
> /proc/asound/cards only shows one audio device in this case.
>
>
My card only has VGA, DVI, and HDMI. No sound outputs. The thing is mostly
just a huge heatsink, really ;)

-- 
Thomas Milne
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