Intrepid Pulseaudio 5.1 | Audio-Digital.net

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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):

pulseaudio - 5.1 sound on Ubuntu 20.04 LTS with 3 …

https://askubuntu.com/questions/1240632/5-1-sound-on-ubuntu-20-04-lts-with-3-3-5mm-jacks-allows-stereo-onlly

My speakers is a Logitech 5.1 surround system with 6 speakers and 3 jacks. Running Windows 10 I can hear all 6 speakers separately, so the hardware is definitely OK. But Ubuntu always shows stereo and I can test front left and front right only. "PulseAudio Volume Control" only allows "Line stereo (connected)" and "Headphone (not connected)".

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/

Getting DTS 5.1+ sound via S/PDIF or HDMI using PulseAudio While PCs still usually provide a full set of analog jacks capable of outputting a 5.1 audio, other modern hardware (such as TVs) is usually limited to digital audio outputs (and sometimes analog outputs limited to stereo sound).

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.

Having Pulseaudio downmix Surround 5.1 to Stereo | Blog of ...

https://thedarkgod.wordpress.com/2013/08/26/having-pulseaudio-downmix-surround5-1-to-stereo/

After a good deal of gnashing of teeth, I finally managed to get Pulseaudio to Do The Right Thing™ (which is what the thing I want, not what it wants): downmixing Surround 5.1 to Stereo.. The problem was simple: I had a lot of lossless FLAC files containing Surround 5.1 audio (that is, 6 channels).

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