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comment Output sound is being piped into input sound
These mixer controls look OK. It's possible that the "Auto-Mute Mode" makes problems, or that your hardware makes this connection.
Aug
30
comment Output sound is being piped into input sound
Show the output of amixer -c0 scontents. (And this information belongs into the question.)
Aug
28
comment Output sound is being piped into input sound
Nobody here knows what hardware you have, or how its mixer controls are labelled.
Aug
20
comment Output sound is being piped into input sound
I guess you didn't explicitly enable loopback in PulseAudio? Run alsamixer, and look at the controls of the hardware device.
Aug
6
comment midi controller issue; unable to enumerate usb devices during boot
It is not entirely clear which combinations of port/cable/device you have tested, but if I understand your description correctly, it points to a hardware defect in your USB/MIDI interface.
Jul
21
comment Sound problems with USB sound cards: Maya22USB and AureonXfire8.0HD
Can you try with a recent kernel?
Jul
14
comment aslactl storing / restoring issues
Apparently, your user (or whoever rc.local is executed as) has no root privileges.
Jul
9
comment Sound suddenly stops working in Ubuntu 15.04
"PCM" and "Master" controls are OK. However, try disabling "Auto-Mute Mode".
Jul
8
comment Sending MIDI clock only (bpm count) through USB to sequencer [terminal]
amidi or aplaymidi? Where do you get the clock from? Or are you asking how to generate it?
Jul
8
comment Microphone issues
How exactly are you trying to record sound?
Jul
7
comment Sound suddenly stops working in Ubuntu 15.04
Show the output of amixer scontents.
Jul
5
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
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
11
comment Bose USB speakers fail to load driver
There's something wrong with the config file, which you haven't shown.
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
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.