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No sound on HDMI Ubuntu 20.04 - Ask Ubuntu
https://askubuntu.com/questions/1256043/no-sound-on-hdmi-ubuntu-20-04
HDMI sound not working after upgrading to 20.04. Ubuntu 18.04: Audio doesn't work unless I switch between outputs. does not detect my sound card HDMI. Also I've downloaded Ubuntu 20.04 iso again and reinstalled the system, but it doesn't work. HDMI worked perfectly when I used Windows 10 before replacing it with Ubuntu. When I run aplay -l I ...
Fix No Sound Through HDMI In External Monitor In Ubuntu ...
https://itsfoss.com/how-to-fix-no-sound-through-hdmi-in-external-monitor-in-ubuntu/
Fix no audio through HDMI in Ubuntu Solution 1: Change default sound setting. I saw a number of forum posts with trouble on the audio problem in extended monitor in Ubuntu. Thankfully this problem was not complex, at least in this case with Ubuntu 12.04. The reason in my case was that the default sound setting was “built-in speaker audio”.
Fixed: No Sound in Ubuntu as HDMI Enabled By Default
https://itsfoss.com/fix-sound-ubuntu-1404/
Fixing no sound in Ubuntu when HDMI is set as default. Now to force Ubuntu to use analog output instead of HDMI by default, we need a little information. Open a terminal and use the following command: aplay -l. This will list the devices, card number etc. Note down the card and device number for analog output.
Disable HDMI sound out, for decrease power ... - Ask …
https://askubuntu.com/questions/270312/disable-hdmi-sound-out-for-decrease-power-consumption
I have Ubuntu 12.04 on my laptop I'm looking for a way to decrease power consumption. This is output of powertop command. Power est. Usage Events/s Category Description 1.30 W 100.0% Device Audio codec hwC0D0: Realtek. I googled a little and find this 100.0% usage related to digital output through HDMI port.
drivers - Ubuntu 20.04 - No sound - Ask Ubuntu
https://askubuntu.com/questions/1231524/ubuntu-20-04-no-sound
I had a very similar problem: Upgraded from Ubuntu 18.04 to 20.04, and sound disappeared. pavucontrol only showed HDMI sound under outputs, not my on-board Intel HDA sound. I first tried the edits Elder Geek suggested above. They made no difference, so I reverted the changes by putting #'s in front of them.
Disabling NVIDIA’s HDMI Audio Under Linux – Techgage
https://techgage.com/news/disabling_nvidias_hdmi_audio_under_linux/
The best possible fix for this problem would be for NVIDIA to allow the disabling of HDMI audio (this wouldn’t affect the video) inside of its control center. Normally such a thing wouldn’t be needed, and it wouldn’t be in Windows, but because the Linux audio system can be sketchy at best, having the option to simply click a button to ...
Ubuntu – Usb audio interface not recognized by alsa – iTecTec
https://itectec.com/ubuntu/ubuntu-usb-audio-interface-not-recognized-by-alsa/
Ubuntu – Usb audio interface not recognized by alsa. after reading a lot of recommendations I finally bought a Focusrite Scarlett 2i4 and installed ubuntu studio. I am running Ubuntu 14.04 on a amd64 desktop. When pugging it in, the device it is recognized by the kernel. $ dmesg ... [ 14973.155287] usb 3-2: new full-speed USB device number 7 ...
Sound not working - bytcr-rt5651 · Issue #13 · plbossart ...
https://github.com/plbossart/UCM/issues/13
Headphone output and internal speakers work well. 1 Blacklist the snd_hdmi_lpe_audio : Create a file under /etc/modprobe.d with the name blacklist_snd_hdmi_lpe_audio.conf containing a single line: blacklist snd_hdmi_lpe_audio. 2 Copy the 2 folders bytcr-rt5651 and bytcr_rt5651 in /usr/share/alsa/ucm/.
Fix No Sound (Dummy Output) Issue In Ubuntu With SND HDA ...
https://www.linuxuprising.com/2018/06/fix-no-sound-dummy-output-issue-in.html
Update for no sound after unplugging HDMI cable. In case you've plugged in an HDMI cable, then unplugged it and you're no longer getting any sound on your Ubuntu desktop, the solution is quite simple. Plug in the HDMI device back and you should be able to switch back to the integrated / external speakers, then you can unplug the HDMI cable again.
pi 4 - Default audio output to HDMI - Raspberry Pi Stack ...
https://raspberrypi.stackexchange.com/questions/118819/default-audio-output-to-hdmi
Also, pulse is known to be finnicky when independent digital and analog audio devices run off the same card... that may be why the GUI isn't able to set the default sink normally. To fix for Pi 4B, run the following as the user you normally log into. cp /etc/pulse/default.pa ~/.config/pulse/ sed -i 's/load-module module-switch-on-connect ...
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