Pulseaudio Alsa-Sink.C Error Opening Pcm Device

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Error opening PCM device Device or resource busy

https://www.linuxquestions.org/questions/linux-newbie-8/error-opening-pcm-device-device-or-resource-busy-664628/

Playback: ALSA PCM on front:0 (NVidia CK804) via DMA (PulseAudio Mixer) Capture: Monitor Source of ALSA PCM on fron:0 (NVidia CK804) via DMA (PulseAudio Mixer) Capture: ALSA PCM on front:0 (NVidia CK804) via DMA (PulseAudio Mixer) Maybe there is a simultaneous request between them for PCM device front:0: causing the busy error?

Pulseaudio cannot detect PCM device - NXP Community

https://community.nxp.com/t5/i-MX-Processors/Pulseaudio-cannot-detect-PCM-device/m-p/425755

I have IMX6Q based board and want game with pulseaudio. My board have 3 sound devices. # aplay -l **** List of PLAYBACK Hardware Devices **** card 0: tlv320aic3xaudi [tlv320aic3x-audio], device 0: HiFi tlv320aic3x-hifi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 …

module-alsa-sink.c: Error opening PCM device front:0 ...

http://islandlinux.org/howto/module-alsa-sinkc-error-opening-pcm-device-front0-device-or-resource-busy

01:00.1 Audio device: ATI Technologies Inc RV620 Audio device [Radeon HD 34xx Series] There was good info on the net and the solution I found to work were as follows. First reinstall pulseaudio and libflashsupport:

Incomplete sound device detection in PulseAudio with …

https://github.com/alsa-project/alsa-lib/issues/143

(Copying my comments over from #142 since it appears to be a different issue to that one. Sorry for the noise there!) After upgrading to alsa-lib 1.2.5 Chromium stopped playing audio until pulseaudio was restarted. Upon closer inspection...

sound - Setting the default ALSA device for Pulseaudio ...

https://askubuntu.com/questions/294512/setting-the-default-alsa-device-for-pulseaudio

Answering the two questions: You can select the default device in PulseAudio with a GUI like the GNOME volume control, pavucontrol, or from the command line using pacmd set-default-sink.. By default, PulseAudio opens devices for 44.1 kHz or 48 kHz, whichever leads to lower resampling effort (so 96 kHz audio would usually lead to the device being opened at 48 kHz.

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