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Getting DTS 5.1+ sound via S/PDIF or HDMI using PulseAudio ...
https://blogs.gentoo.org/mgorny/2021/07/25/getting-dts-5-1-sound-via-s-pdif-or-hdmi-using-pulseaudio/
HDMI is better there. HDMI 1.2 technically supports up to 8 channels of PCM audio, 2.0 up to 32 channels. However, not all hardware actually supports that. In particular, my TV seems to only support stereo PCM input, and ignores additional channels when passed 5.1 audio. Fortunately, additional audio channels work when compressed input is used.
PulseAudio/Examples - ArchWiki
https://wiki.archlinux.org/title/PulseAudio/Examples
Internal Audio Digital Stereo (HDMI) Internal Audio; Simultaneous output to Internal Audio Digital Stereo (HDMI), Internal Audio; Now start a program that will use PulseAudio such as MPlayer, VLC, mpd, etc. and switch to the "Playback" tab. A drop-down list should be available for the running program to select one of the three sources.
pulseaudio - How to enable 5.1 sound on Ubuntu 20.04 - …
https://askubuntu.com/questions/1304002/how-to-enable-5-1-sound-on-ubuntu-20-04
Assuming you have true 5.1 speakers and they are properly connected: From etc/pulse/, copy daemon.conf and default.pa to your user's home folder. (If you've altered these configs previously, copy from your backup of the original files):
How to configure 5.1 sound for PulseAudio?
https://sourceforge.net/p/sixfireusb/discussion/1341785/thread/7e16113b/
Here comes my problem: I want to use the card to connect to my 5.1 system as advertised by the manufacturer, but in pavucontrol I am only able to select stereo an mono profiles. The card just seems to be recognised as a standard USB sound card by pulseaudio/udev. So how can I set up 5.1 analog out for pulseaudio, I don't inted to use jack.
HDMI Audio on 5.1 Channels - Debian User Forums
https://forums.debian.net/viewtopic.php?t=111519
As for a partial solution, I did manage to get multi-channel (5.1) Dolby Digital and DTS audio to play through XBMC. I had to force XBMC to use the HDMI device in both audio and passthrough settings. In addition, I had to create a script to launch XBMC by killing pulseaudio, launching XBMC, and then restarting pulseaudio upon exit. PulseAudio ...
sound - 5.1 audio via HDMI only plays on two channels ...
https://askubuntu.com/questions/1044615/5-1-audio-via-hdmi-only-plays-on-two-channels
Continue to output 5.1 uncompressed audio and replace my S/PDIF cable with an HDMI cable. Change PulseAudio to output 2 channel audio and enable DTS/AC3 passthru both in PulseAudio and Kodi, as described here: Enabling 7.1 audio passthru in 14.04 for Kodi. I'm not sure that either has a particular advantage.
PulseAudio, HDMI and passthrough
https://forum.kodi.tv/showthread.php?tid=137590
XBMC Eden: Output: HDMI, Speakers: 5.1, DTS and DD support on, customs plughw:0,9 for both sound out and passthrough. I have tried every other combination I could think of, but this is the first combination for which I have managed to get passthrough at all. Ubuntu 12.04. Workaround:
3 Simple Options On How To Get 5.1 Sound From PC HDMI
https://www.resolutionacoustics.com/how-to-get-5-1-sound-from-pc-hdmi/
How to get 5.1 surround sound from VLC on Mac via AirPlay. Based on this article from Lifewire, you have to configure VLC according to the above steps, then implement it into AirPlay. Hit the AirPlay icon in the menu bar. You will find a menu with more options – choose Apple TV. Go to the VLC menu and hit Audio, Audio Device, AirPlay.
Loewe A 37 Full Hd 100 Users Manual 33156_024_Xelos_A32_42 ...
https://usermanual.wiki/Loewe/LoeweA37FullHd100UsersManual436161.1199409482/html
Devices to the HDMI (DVI) connections ..... 44. Devices to the PC IN connection ... video and audio signals and designed for the home and office . It may . not be used in rooms with high humidity (e.g. bathrooms, saunas) or . high dust concentration (e.g. workshops ).
How to enable both built-in audio output and HDMI audio ...
https://unix.stackexchange.com/questions/143865/how-to-enable-both-built-in-audio-output-and-hdmi-audio-output-with-pulseaudio
Pulse would start, but no HDMI output. I compared the output of pacmd list-sinks in the two situations. When I added device=hw:0,3, that one would show up without ports. When HDMI output was chosen in pavucontrol, there would be ports. Looking at the output details, I came up with device=hdmi:0.
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