Linux Nvidia Hdmi Audio Output

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To set up digital audio on your graphics card - Nvidia

https://www.nvidia.com/content/Control-Panel-Help/vLatest/en-us/mergedProjects/nvdsp/To_set_up_digital_audio_on_your_graphics_card.htm#:~:text=From%20the%20NVIDIA%20Control%20Panel%20navigation%20tree%20pane%2C,then%20lists%20those%20connections%20%28HDMI%2C%20DisplayPort%2C%20or%20DVI%29.

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HDMI audio output under Linux | NVIDIA GeForce Forums

https://www.nvidia.com/en-us/geforce/forums/game-ready-drivers/13/40726/hdmi-audio-output-under-linux/

I was curious if you managed to get HDMI audio working on this chipset. I have an nforce 630i/geforce 7100 with a DVI output and I am trying to throw sound over HDMI (there was a DVI to HDMI plug that came with the mobo--a Zotac nf630i-d-e) unsuccessfully.

HDMI Audio on NVIDIA GPUs

https://download.nvidia.com/XFree86/gpu-hdmi-audio-document/

hdmi:CARD=NVidia,DEV=0 HDA NVidia, NVIDIA HDMI HDMI Audio Output hdmi:CARD=NVidia,DEV=1 HDA NVidia, NVIDIA HDMI HDMI Audio Output …

linux mint - No HDMI Audio Output - APLAY does not detect ...

https://unix.stackexchange.com/questions/393833/no-hdmi-audio-output-aplay-does-not-detect-nvidia-gpu

You seem to have Intel HD Audio, not NVidia HD Audio, although in most cases the audio chipset is from 3rd party OEM. What I found working was to run alsamixer, press F6, select HDA whatever (in your case it would be Intel HDA or something), then scroll to S/PDIF, then enable it. There is S/PDIF 0 which is enabled, but you need to enable S/PDIF too. In pavucontrol, go to …

[SOLVED] HDMI Video Output Works But No Audio (Nvidia GPU ...

https://bbs.archlinux.org/viewtopic.php?id=264504

However, even though the Nvidia HDMI audio drivers are detected, Pulseaudio says that the HDMI ports are all unavailable. Thus, I have had no success getting audio through the HDMI. I know this is not an issue with the projector, since when I plug in my laptop, which is running Linux Mint, then HDMI sound works fine, and is connected as 'EPSON PJ'.

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