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No sound over HDMI with ALSA
https://www.linuxquestions.org/questions/debian-26/no-sound-over-hdmi-with-alsa-4175509769/
Make sure that your audio isn't muted under your normal user. In terminal, open up alsamixer, hit F6 to select your HDMI device, and make sure nothing is "MM" (hit M to change) Already tried this before I posted.With your config file speaker-test will not even start,I tried with all the options listed by aplay.
ALSA doesn't play on HDMI - Unix & Linux Stack Exchange
https://unix.stackexchange.com/questions/308318/alsa-doesnt-play-on-hdmi
Then I can switch sound from 'HDMI/DisplayPort2 Built-in' (which must stupidly be set to Digital Stereo (HDMI) Output if you want DTS to emerge unmolested) and select 'Headphones Built-in Audio'. It's not perfect, and I got headaches trying to work this out... but it's good enough for the time being. Share Improve this answer
ALSA will not detect HDMI audio device / Kernel & Hardware ...
https://bbs.archlinux.org/viewtopic.php?id=262618
Playback device is HDMI Stream parameters are 48000Hz, S16_LE, 2 channels Using 16 octaves of pink noise Playback open error: -2,No such file or directory In following with the linked topic, I also attempted to perform the modification $ cat /etc/modprobe.d/50-alsa.conf options snd-hda-intel index=0,1
[Solved] Alsa Sound and HDMI output / Kernel & Hardware ...
https://bbs.archlinux.org/viewtopic.php?id=227456
I noticed the first output device is a "GF100 High Definition Audio Controller" and the Port shows "HDMI/DisplayPort (plugged in)". I enabled it and I get sound over HDMI and I can control the sound level using "pavucontrol". However, my …
ALSA audio configuration for simultaneous HDMI and ...
https://forum.libreelec.tv/thread/23542-alsa-audio-configuration-for-simultaneous-hdmi-and-analogue-audio-output/
The standard audio setting "PI: HDMI and analogue" works in that way, that there is a signal on both oututs but of course with a significant delay on the HDMI due to the "longer" signal processing (Pi->TV->Soundbar) I read with ALSA I could could add a latency to the analogue output to get them harmonized in the end.
(ALSA) How to output sound to Build-In Audio, HDMI and S ...
https://forum.kodi.tv/showthread.php?tid=136302
Now, ALSA successfully outputs sound to Analog, S/PDIF and HDMI simultaneously. There is a minor issue with the script. If using below code for .asoundrc then menu sounds go through HDMI, but if I uncomment "rate 48000" in the Analog section, then menu sounds go through Analog output only.
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