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.
I just got a new laptop, HP dm4, and I'm having problems getting the audio to work properly on it.
aplay -l lists:
play -l
** List of PLAYBACK Hardware Devices **
card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
I tried to ed
I'm trying to get HDMI audio output from a ION system but I'm running out of ideas.
After the install process (12.10 server, xorg, alsa, nvidia-current) I immediately un-muted channels in alsamixer and run
xbmc@htpc:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ca
I've searched around and have not been able to figure this out. I actually started working on HDMI audio on an older 200 series card previously. I was hoping it would work with a completely new card and build, but the problem still persists. Using aplay it sounds and plays fine:aplay -D plughw:1,7 /usr/share/sounds/alsa/Front_Center.wavHowever using VLC and I get crackling.
Running Fedora 10 - via mythdora on a Abit KN9 Ultra motherboard with an AMD Athlon 3800 dual core processor.
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've bought a tv a few days ago, tried to connect my laptop via hdmi cable to it - worked perfectly, I just had to choose right audio device output as hdmi and it worked with no issues.
So I've tried to connect my desktop computer to the tv using hdmi cable - video works with no issues, but there's no sound.
After so many many attempts to solve my audio problems when upgrading to Karmic, I finally found a working solution :p !
First, let me decribe what the problem was:
1) no audio card was detected at all
=> cat /proc/asound/cards returned an empty content
=> cat /proc/asound/devices did not include any audio devices
Okay so I know that there are hundreds of these similar posts concerning no sound and let me assure you...I've gone through most of them and at least 15 different methods of trying to obtain ANY sound.
I currently have Ubuntu 9.04 Jaunty dual installed with Vista on my Hp Pavilion Dv6 laptop. everything works great except for the no sound issue. This 'no sound issue' includes: