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Using ALSA's speaker-test utility - MythTV Official Wiki
https://www.mythtv.org/wiki/Using_ALSA's_speaker-test_utility
[ hide ] 1 The Problem 2 The Solution 2.1 Setting the number of speakers 2.2 Selecting the output test sounds 2.2.1 Pink Noise Test 2.2.2 Sine Wave Test 2.2.3 Voice Test 2.3 Selecting the proper output device 2.4 Should the test fail The Problem
No sound over HDMI with ALSA - LinuxQuestions.org
https://www.linuxquestions.org/questions/debian-26/no-sound-over-hdmi-with-alsa-4175509769/
Great,I now have working sound.However when I connect the laptop to my av amp and in turn T.V,I have picture but no sound output. I tried setting the defaults to card 0 in the asound.conf,which just kills all sound. How do I configure ALSA to use both devices so I have on-board and HDMI sound?.
ALSA will not detect HDMI audio device / Kernel & Hardware ...
https://bbs.archlinux.org/viewtopic.php?id=262618
defaults.pcm.card 1 defaults.ctl.card 1 and defaults.pcm.device 3 defaults.ctl.device 3 with no luck. Upon attempting a speaker test with -D HDMI, I receive the following error. 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
Alsa Opensrc Org - Independent ALSA and linux audio ...
https://alsa.opensrc.org/Speaker-test
To test your ALSA setup... Contents 1 First Step 2 Just stereo sound from one stereo jack 3 A 4 speaker setup from two stereo jacks 4 A 5.1 speaker setup from three stereo jacks 5 2-speaker test using the spdif (coax or optical) output First Step
linux - ALSA doesn't play on HDMI - Unix & Linux Stack ...
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
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