We have collected the most relevant information on Ubuntu 12.04 Audio Device Dev. Open the URLs, which are collected below, and you will find all the info you are interested in.
no sound in Ubuntu 12.04 and /dev/dsp does not exist - …
https://askubuntu.com/questions/295092/no-sound-in-ubuntu-12-04-and-dev-dsp-does-not-exist
I've added the ppa sudo add-apt-repository ppa:ubuntu-audio-dev. I've also done killall pulseaudio. However when I try mplayer I get: [AO OSS] audio_setup: Can't open audio device /dev/dsp: No such file or directory (which indeed does not show up with ls) and no sound comes out. Youtube via chromium also makes no sound; so does Vimeo; so does vlc.
sound - Where is /dev/dsp or /dev/audio? - Ask Ubuntu
https://askubuntu.com/questions/220370/where-is-dev-dsp-or-dev-audio
1 Answer Active Oldest Score 0 You need to install pulseaudio's volume control and then use that to reroute the program you are recording with to the program you are trying to record. (I will add screenshots a little later). Share Improve this answer answered Nov 22 '12 at 3:08 RolandiXor 51k 29 157 247 Add a comment Your Answer Post Your Answer
ubuntu 12.04 - pocketsphinx_continuous failed to open ...
https://stackoverflow.com/questions/17132192/pocketsphinx-continuous-failed-to-open-audio-device
Historically, audio subsystem is pretty fragmented. It includes the following major frameworks: Old Unix-like DSP framework – everything is handled by the kernel-space driver. Applications interact with /dev/dsp device to produce and record audio ALSA – newer audio subsystem, partially in kernel but also has userspace library libasound.
CMU Sphinx / Forums / Help: failed to open audio device
https://sourceforge.net/p/cmusphinx/discussion/help/thread/d737a635/
<sigh>fresh install of ubuntu 12.04, pocketsphinx, sphinxbase, etc. getting the following error: ad_oss.c(103): Failed to open audio device(/dev/dsp): No such file or directory FATAL_ERROR: "continuous.c", line 246: Failed to open audio device. oss_compat is installed. sudo apt-get install oss-compat Reading package lists...
audio - Generating random noise for fun in /dev/snd ...
https://unix.stackexchange.com/questions/13732/generating-random-noise-for-fun-in-dev-snd
In my pulseaudio experiences (and whatever Ubuntu is using when PA is down) that padsp tee was required (I had precise 12.04.2 at that time) The thing is you shouldn't try to dump data directly into devices, even if you were root (as far as I know few files are readable and none writable in the /dev folder), because you could either get an ...
Now you know Ubuntu 12.04 Audio Device Dev
Now that you know Ubuntu 12.04 Audio Device Dev, we suggest that you familiarize yourself with information on similar questions.
