>> Okay. In pavucontrol, the Configuration tab lists both the HDMI
>> and the Internal Audio. But as far as I can tell, it merely lists them.
>> I don't need to click on anything in that tab, right?
>
>You do.
>
>You need to select the correct profile. On my office computer, it lists
>the "Off" profile, 4 HDMI Stereo profiles and 4 HDMI 5.1 profiles.
I see. Okay for the Analog card, there are many choices. For the HDMI
card, there are only two choices: HDMI and off. Pavucontrol->Configuration
doesn't list that many choices for the HDMI card.
>> >speaker-test -l2 -c2 -D hdmi:CARD=NVidia,DEV=0
>>
>> This worked and produced the hissing sound through the TV
>> speakers. I used DEV=1.>
>So, you need to select the second of the identically-named "Digital
>Stereo (HDMI) Output" profiles. The default is the first one which sends
>sound to DEV=0, i.e. through another internal HDMI or DVI connector,
>i.e. into nowhere.
Select from which tab? Pavucontrol->Configuration? I don't have
many choices from that tab.
Also, I am running pavucontrol as root, which you told me not to do. When I
run
pavucontrol as non-root, it immediately core dumps.
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