On a fresh install of Ubuntu 11.10 I get no sound at all. Dell Precision T5500 with built in sound card:
81:00.0 Audio device: Creative Labs X-Fi Titanium series [EMU20k2] (rev 03)
Device is listed in Hardware tab of Sound configuration. Doesn't make a peep during speaker test.
In my sound settings interface, there are two devices for sound output:
Both refer to the same physical device, which is a network sound device.
Both work, but only with the second one, Simultaneous output to Kenwook Audio Device Digital Stereo (IEC958) on mythbuntu@mythbuntu, does the output volume respond to being changed.
Here's a clue:⋯$ aplay -l
aplay: device_list:252: no soundcards found...⋯$ aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
default
Default ALSA Output (currently PulseAudio Sound Server)Yet there are three sound devices in the system.
Background: So through some messing around or some sort that I've done with my audio, I've found that some programs are set to use my built-in audio, and others are set to use my sound card.
I am currently running a persistent live session of Ubuntu 12.04.1 LTS, installed on a 4GB flash drive. I own a Creative Labs X-Fi HD usb audio device, which I desire to use with my installation.
I have an Acer Aspire One 522 netbook which has an Intel HDA sound card based on the Conexant CX20584 chipset.
Hey guys,
I did a clean install of 12.10, when I open Sound Settings in gnome the only device in the list is "Dummy Output", and sound is not working.
Sound worked fine out of the box in 12.04
I ran alsamixer, it says my card is "HDA Intel", and chip is "Realtek ALC880".
Just a follow up to this for anyone with the same issue. I ended up installing alsa, alsa-oss, and pulseaudio-alsa, and then configuring them with an Alsa Mixer (in this case xfce4-mixer, but there are others) and Pulseaudio Volume Control (pavucontrol). In Pulseaudio Volume Control, I disabled 'HD-Audio Generic', as it is for the HDMI output of my graphics card, and set 
Hello,
I just bought this card, and apparently it has no hardware mixer as it's a USB device, and it shows this way:
card 1: Pro [SB X-Fi Surround 5.1 Pro], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Pro [SB X-Fi Surround 5.1 Pro], device 1: USB Audio [USB Audio #1]
Subdevices: 1/1
Subdevice #0: subdevice #0
Now, I can get sound f