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DTS Pulseaudio (dcaenc) - Community Help Wiki
https://help.ubuntu.com/community/DTS%20Pulseaudio%20%28dcaenc%29
The following script does the steps outlined in the rest of the document. It has only been tested on Ubuntu 14.04. Warning though, do not run it twice since you'll end up inserting same stuff to asound.conf and PulseAudio default.conf twice. Download and run script chmod +x ./DTSPulseaudioInstaller sudo ./DTSPulseaudioInstaller. DTSPulseaudioInstaller
pulseaudio - Use a DTS Connect enabled sound ... - Ask …
https://askubuntu.com/questions/893593/use-a-dts-connect-enabled-sound-card-in-ubuntu
Single channel PCM (Mono) Dual channel PCM (Stereo) Compressed bitstreams up to 48Khz/16bps using AC3 (Dolby Digital) or DTS encoding mechanisms. Surround audio across S/PSIF can only be achieved using AC3/DTS. Multichannel PCM (most desirable) is not possible over S/PDIF but is possible over HDMI.
20.04 - PulseAudio not passing AC3/DTS, downmixing to ...
https://askubuntu.com/questions/1364432/pulseaudio-not-passing-ac3-dts-downmixing-to-stero
(Probably not surprising since this answer was for Ubuntu 14.04) pavucontrol: (same settings show up in Pulseaudio Volume Control GUI) Configuration tab: the only options for digital output are "Digtial Stereo (IEC958) Output" and "Digtial Stereo (IEC958) Output+Analog Stereo Input". Several websites said this is correct as Pusleaudio "should" pass AC3/DTS …
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). These outputs are either S/PDIF (coaxial or optical) or HDMI.
Ubuntu – Pulseaudio/ALSA/Kodi audio passthrough on 20.04 ...
https://itectec.com/ubuntu/ubuntu-pulseaudio-alsa-kodi-audio-passthrough-on-20-04/
On Ubuntu 16.04 and 18.04 I had Pulseaudio disabled in order enable audio passthough from the NUC to the AVR, so that the AVR would be aware that I was feeding it …
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