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1h
comment Sound suddenly stops working in Ubuntu 15.04
Show the output of amixer scontents.
1d
comment No sound at all in Ubuntu 14.04
Is the front HP port connected to the motherboard or the sound card, and which output is selected in PulseAudio? At the moment, the DGX is indeed configured to output to its front HP connector (control "Analog Output" in the mixer).
Jun
21
answered Unable to install hw params usb xmos and alsa
Jun
20
comment FATAL: Module usb-snd-audio not found
You should fine the module in /lib/modules/(VERSION)/kernel/sound/usb/. (And the title and the text of your question use different names; check the spelling.)
Jun
19
answered ./waf configure returns 'checking for alsa: not found.'
Jun
13
answered Bose USB speakers fail to load driver
Jun
11
comment Bose USB speakers fail to load driver
There's something wrong with the config file, which you haven't shown.
Jun
7
answered How to send MIDI raw data to a MIDI device node?
Jun
7
comment How to display ALSA raw MIDI connexions and devices?
There are indeed no clients or subscriptions. You could inspect the device files with fuser or lsof.
Jun
4
comment Control Alsa in real time with external controller?
See Retrieving Output From A Command Streaming Information, but call amixer instead.
Jun
1
comment Cannot adjust S/PDIF in alsamixer
S/PDIF and HDMI output typcically have no volume adjustment.
Jun
1
comment Control Alsa in real time with external controller?
That depends on what exactly you mean with "control ALSA". Do you want to change mixer controls?
May
28
comment Audio capture from multiple USB sound cards In Lubuntu
This will blow up if the devices aren't synchronized, and might exceed the USB bandwidth limits, but see How to get a NI Traktor Audio 2 sound card work with Mixxx.
May
22
answered Why is single_cmd Alsa option for debugging only?
May
17
comment Realtek HD Audio Driver failed to build
The problem is that your build system is using -Werror, but the Realtek package does not expect that. Apparently, the Realtek package is outdated. Please note that Realtek also puts their changes into the kernel drivers; if an update to the newest kernel does not help, the Rt-Linux-HDaudio package is unlikely to help either.
May
13
comment Realtek HD Audio Driver failed to build
What do you mean with "Realtek" drivers? Something downloaded from the Realteak website, or drivers from Ubuntu for your sound chip?
May
9
comment ALSA Audio errors - Trusty
Show the output of amixer -c 1 scontents.
May
8
comment ALSA Audio errors - Trusty
Which of those fifteen devices is actually used by the app?
Apr
28
comment ALSA Audio errors - Trusty
Some program or library (probably PortAudio) tries to open lots of possible sound devices, and does not suppress error messages for any that do not exist. This is not an actual problem.
Apr
23
comment Set sound device for individual applications using alsa
See environment variables.