[mythtvnz] No HDMI sound output in desktop (Mythtv ok)

[Paulgir]

On Sun, 15 Jun 2014 14:56:33 +1200, Stephen Worthington  
<stephen_agent at jsw.gen.nz> wrote:

> On Sun, 15 Jun 2014 13:55:31 +1200, you wrote:
>
>> On Thu, 12 Jun 2014 11:52:32 +1200, Paulgir <paulgir at gmail.com> wrote:
>>
>>>
>>>
>>> Hi all
>>>
>>> I have been trying to get HDMI sound back for the Mythbuntu desktop by
>>> modifying asound.conf.
>>> It seems,looking at my notes that,
>>>
>>> pcm.!default {
>>> 	type hw
>>> 	card 1
>>>            device 9
>>> }
>>>
>>> worked in the past but it does not now.
>>>
>>> The command speaker-test -c 2 -D hdmi:CARD=NVidia,DEV=3  Will give me
>>> sound through the speakers.But speaker-test -c 2   won't and I get
>>> nothing
>>> when using a browser or VLC.
>>> I've tried different numbers for Device= and looked at lots of threads
>>> but
>>> I'm not having much luck.One question: do I need to reboot after
>>> modifying
>>> asound.conf?
>>>
>>> Cheers  Paul
>>
>>
>> Any help?
>
> Have you checked to see if there is a mute or low volume control
> setting in one of the mixers on that channel?  On my laptop, I had to
> use alsamixer and also a GUI Pulse Audio mixer to make my HDMI audio
> work.
>
When I run alsamixer it looks like the volumes for  4 spdif outputs are at  
00 (not MM)
But I can increase them as I can with the other outputs.
Paul