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ALSA samples capture: cannot open device - Ask Ubuntu
https://askubuntu.com/questions/201506/alsa-samples-capture-cannot-open-device
1 Answer Active Oldest Votes 0 aplay -l lists playback devices. Use arecord -l. The capture program works just fine after fixing the bugs (the third parameter to snd_pcm_hw_params_set_rate_near must be a pointer to the rate, and the size of buf must be doubled to have enough space for two channels). Share Improve this answer
ALSA: cannot open audio device · GitHub
https://gist.github.com/anteaya/60125
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ALSA: Couldn't open audio device: Device or resource …
https://github.com/ValveSoftware/Proton/issues/5183
If you are actually using plain ALSA as your main audio playback you need to make sure that these tools play to the default rather than a specific device. However if this is a "normal" ubuntu install and you are actually using pulseaudio, you probably just lack libpulse:i386
VLC: cannot open ALSA device "default": Connection refused ...
https://unix.stackexchange.com/questions/586796/vlc-cannot-open-alsa-device-default-connection-refused
When starting VLC I get: [000055d167ad3e80] alsa audio output error: cannot open ALSA device "default": Connection refused [000055d167ad3e80] main audio output error: module not functional [00007f59ce548870] main decoder error: failed to create audio output ALSA lib pulse.c:243: (pulse_connect) PulseAudio: Unable to connect: Connection terminated.
[SOLVED] ALSA sound not working / Newbie Corner / Arch ...
https://bbs.archlinux.org/viewtopic.php?id=202398
alsa-lib alsa-plugins alsa-utils installed. Be sure pulseaudio is not installed. You should start with no /etc/asound.conf /var/lib/alsa/asound.state ~/.asoundrc ; remove these files if you have them. Your sound should work out of the box. You may have to unmute the channels with alsamixer. To do test, play a .wav file with alsaplay.
Failed to open "alsa" - Help - Volumio
https://community.volumio.org/t/failed-to-open-alsa/8844
Check cable and connectors or temperature. Other cause of your issue can be ALSA device is opened from different program like KODI or other program which play music or sound. Sounds can be played also, when you interact with GUI. Try uninstall all plugins and check behavior. If it not helps, try unconnect touch screen and check behavior.
Linux: Unable to init SDL mixer: ALSA: Couldn't open …
https://www.gog.com/forum/thimbleweed_park/linux_unable_to_init_sdl_mixer_alsa_couldnt_open_audio_device_no_such_device
It also recognises two devices: 28:00.1 Audio device: NVIDIA Corporation GM204 High Definition Audio Controller (rev a1) 2a:00.3 Audio device: Advanced Micro Devices, Inc. [AMD] Device 1457 I'm pretty sure it should be 0,0 or 0,1. But I am frankly not entirely sure.
alsa: could not open ausrc device 'default' (No such file ...
https://github.com/baresip/baresip/issues/832
dannymarosi mentioned this issue on Mar 16 alsa: could not open auplay device 'default' (Device or resource busy) #1261 Closed phil-lavin added a commit to phil-lavin/raspi-bakelite that referenced this issue on Apr 24 Enable ringback on 180 response on outbound calls c14cebd Sign up for free to join this conversation on GitHub .
ALSA: open a PCM device in shared mode - Stack Overflow
https://stackoverflow.com/questions/8168696/alsa-open-a-pcm-device-in-shared-mode
According to a recommendation in ALSA mailing list I tried to open the default device using default:CARD=x as the device name parameter to the snd_pcm_open function which results in a device not found error in my system. Apparently there is no way to do this (if someone can find a way, please update this answer).
'arecord' works but FFMPEG 'cannot open audio device'
https://stackoverflow.com/questions/61718369/arecord-works-but-ffmpeg-cannot-open-audio-device
On my Linux-based QNAP NAS, I can successfully record my Loopback audio device using: # arecord -D default:CARD=Loopback test.wav However, FFMPEG cannot use this same audio device. It returns: [alsa @ 0x5a45880] cannot open audio device hw:default:CARD=Loopback (No such file or directory) hw:default:CARD=Loopback: …
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