Pulse Audio no longer detecting sound card; ALSA still detects

After a recent update, pulseaudio has stopped detecting my sound card. ALSA still detects my soundcard, and I was able to find the following in the verbose output of starting pulseaudio.
D: [pulseaudio] reserve-wrap.c: Successfully acquired reservation lock on device 'Audio0'
I: [pulseaudio] (alsa-lib)utils.c: could not open configuration file /usr/share/alsa/ucm/HDA Intel/HDA Intel.conf
I: [pulseaudio] (alsa-lib)parser.c: error: could not parse configuration for card HDA Intel
I: [pulseaudio] (alsa-lib)main.c: error: failed to import HDA Intel use case configuration -2
I: [pulseaudio] alsa-ucm.c: UCM not available for card HDA Intel
When I check out the ALSA directory mentioned, it turns out to indeed be the case that the entire ucm directory does not exist
[root@ArchSpiron james-arch]# ls -lah /usr/share/alsa/
total 52K
drwxr-xr-x 2 root 4.0K Apr 14 14:56 pcm
drwxr-xr-x 7 root 4.0K Apr 14 14:56 .
-rw-r--r-- 1 root 9.0K Apr 14 14:12 alsa.conf
drwxr-xr-x 2 root 4.0K Apr 14 14:12 alsa.conf.d
drwxr-xr-x 208 root 4.0K Apr 13 15:37 ..
drwxr-xr-x 2 root 4.0K Apr 11 07:20 init
drwxr-xr-x 2 root 4.0K Apr 11 07:20 speaker-test
drwxr-xr-x 3 root 4.0K Jan 23 21:21 cards
-rw-r--r-- 1 root 523 Dec 29 21:33 bluetooth.conf
-rw-r--r-- 1 root 155 Dec 18 22:34 smixer.conf
-rw-r--r-- 1 root 3.2K Dec 18 22:34 sndo-mixer.alisp
Instead the configuration file it's looking for exists under the cards/ directory
[root@ArchSpiron james-arch]# ls -lah /usr/share/alsa/cards/
total 264K
drwxr-xr-x 3 root 4.0K Apr 14 14:59 .
drwxr-xr-x 7 root 4.0K Apr 14 14:56 ..
-rw-r--r-- 1 root 4.6K Apr 13 16:20 HDA-Intel.conf
-rw-r--r-- 1 root 1.4K Apr 13 16:20 aliases.conf
-rw-r--r-- 1 root 7.0K Apr 12 08:10 USB-Audio.conf
drwxr-xr-x 2 root 4.0K Jan 23 21:21 SI7018
-rw-r--r-- 1 root 669 Dec 18 22:34 AACI.conf
-rw-r--r-- 1 root 302 Dec 18 22:34 ATIIXP-MODEM.conf
-rw-r--r-- 1 root 2.2K Dec 18 22:34 ATIIXP-SPDMA.conf
-rw-r--r-- 1 root 2.4K Dec 18 22:34 ATIIXP.conf
-rw-r--r-- 1 root 437 Dec 18 22:34 AU8810.conf
-rw-r--r-- 1 root 159 Dec 18 22:34 AU8820.conf
-rw-r--r-- 1 root 520 Dec 18 22:34 AU8830.conf
-rw-r--r-- 1 root 5.7K Dec 18 22:34 Audigy.conf
-rw-r--r-- 1 root 7.5K Dec 18 22:34 Audigy2.conf
-rw-r--r-- 1 root 2.3K Dec 18 22:34 Aureon51.conf
-rw-r--r-- 1 root 2.5K Dec 18 22:34 Aureon71.conf
-rw-r--r-- 1 root 3.8K Dec 18 22:34 CA0106.conf
-rw-r--r-- 1 root 1.8K Dec 18 22:34 CMI8338-SWIEC.conf
-rw-r--r-- 1 root 1.9K Dec 18 22:34 CMI8338.conf
-rw-r--r-- 1 root 2.1K Dec 18 22:34 CMI8738-MC6.conf
-rw-r--r-- 1 root 2.9K Dec 18 22:34 CMI8738-MC8.conf
-rw-r--r-- 1 root 1.6K Dec 18 22:34 CMI8788.conf
-rw-r--r-- 1 root 2.9K Dec 18 22:34 CS46xx.conf
-rw-r--r-- 1 root 5.5K Dec 18 22:34 EMU10K1.conf
-rw-r--r-- 1 root 2.7K Dec 18 22:34 EMU10K1X.conf
-rw-r--r-- 1 root 1.4K Dec 18 22:34 ENS1370.conf
-rw-r--r-- 1 root 1.8K Dec 18 22:34 ENS1371.conf
-rw-r--r-- 1 root 152 Dec 18 22:34 ES1968.conf
-rw-r--r-- 1 root 4.3K Dec 18 22:34 Echo_Echo3G.conf
-rw-r--r-- 1 root 1.2K Dec 18 22:34 FM801.conf
-rw-r--r-- 1 root 333 Dec 18 22:34 FWSpeakers.conf
-rw-r--r-- 1 root 672 Dec 18 22:34 FireWave.conf
-rw-r--r-- 1 root 217 Dec 18 22:34 GUS.conf
-rw-r--r-- 1 root 2.1K Dec 18 22:34 ICE1712.conf
-rw-r--r-- 1 root 2.8K Dec 18 22:34 ICE1724.conf
-rw-r--r-- 1 root 192 Dec 18 22:34 ICH-MODEM.conf
-rw-r--r-- 1 root 3.0K Dec 18 22:34 ICH.conf
-rw-r--r-- 1 root 2.8K Dec 18 22:34 ICH4.conf
-rw-r--r-- 1 root 558 Dec 18 22:34 Maestro3.conf
-rw-r--r-- 1 root 4.7K Dec 18 22:34 NFORCE.conf
-rw-r--r-- 1 root 657 Dec 18 22:34 PC-Speaker.conf
-rw-r--r-- 1 root 486 Dec 18 22:34 PMac.conf
-rw-r--r-- 1 root 705 Dec 18 22:34 PMacToonie.conf
-rw-r--r-- 1 root 1.2K Dec 18 22:34 PS3.conf
-rw-r--r-- 1 root 780 Dec 18 22:34 RME9636.conf
-rw-r--r-- 1 root 780 Dec 18 22:34 RME9652.conf
-rw-r--r-- 1 root 1.5K Dec 18 22:34 SB-XFi.conf
-rw-r--r-- 1 root 2.2K Dec 18 22:34 SI7018.conf
-rw-r--r-- 1 root 1.7K Dec 18 22:34 TRID4DWAVENX.conf
-rw-r--r-- 1 root 1.2K Dec 18 22:34 VIA686A.conf
-rw-r--r-- 1 root 2.7K Dec 18 22:34 VIA8233.conf
-rw-r--r-- 1 root 2.8K Dec 18 22:34 VIA8233A.conf
-rw-r--r-- 1 root 2.5K Dec 18 22:34 VIA8237.conf
-rw-r--r-- 1 root 830 Dec 18 22:34 VX222.conf
-rw-r--r-- 1 root 839 Dec 18 22:34 VXPocket.conf
-rw-r--r-- 1 root 1.5K Dec 18 22:34 VXPocket440.conf
-rw-r--r-- 1 root 1.4K Dec 18 22:34 YMF744.conf
-rw-r--r-- 1 root 687 Dec 18 22:34 aliases.alisp
I'm not at all familiar with pulseaudio configuration. Does anyone know of a good way for me to resolve this issue? Have I even identified the correct issue?
UPDATE:
I was able to work around my problem for the moment by symlinking the configuration file to the location that pulseaudio was actually looking for it
# mkdir -p /usr/share/alsa/ucm/HDA\ Intel
# ln -s /usr/share/alsa/cards/HDA-Intel.conf /usr/share/alsa/ucm/HDA\ Intel/HDA\ Intel.conf
Although this does get my sound back, it is a hacky work-around and obviously not ideal. Anyone who knows a bit about pulse configuration, I welcome your input here
Last edited by OakRaider4Life (2013-04-14 22:14:34)

Thank you so much for posting your solution!
I was having the same problem. The funny part was it started happening (and not always) after KDE says that the Intel HDA device is "gone" and asking me to remove it from my configuration. Even by saying no it wouldn't work. Killing pulseaudio with
pulseaudio -k
would have everything fallback to Alsa but starting pulseaudio again wouldn't work.
Rebooting right away doesn't take care of the issue either but after a while the problem would go away...
Any inputs would be appreaciated!

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[solved] Pulseaudio doesn't detect sound card after system update

Before a recent system update I had pulseaudio working flawlessly, but after doing a recent system update with pacman -Syu,
pulseaudio no longer sees my sound card and only displays the Dummy audio device. Among the packages updated that I can
remember off the top of my head are the Linux keneral, udev, kmod, instead of trying to roll back my system I figured I would try
to fix the issue. The only thing suggested in the Pulseaudio wiki is that a asound.conf directory is overriding the /etc/asound.conf
file which is not the case on my system.
Looking at the output from lsmod I can see where the kernel modules for the sound card is getting loaded
snd_hda_intel 23375 0
snd_hda_codec 89160 3 snd_hda_intel,snd_hda_codec_realtek,snd_hda_codec_hdmi
snd_hwdep 6389 1 snd_hda_codec
snd_pcm 74780 3 snd_hda_codec,snd_hda_intel,snd_hda_codec_hdmi
snd_page_alloc 7153 2 snd_pcm,snd_hda_intel
snd_timer 19544 1 snd_pcm
and looking at the output from the ps command I can see that pulseaudio is getting started
1190 ? S<l 0:00 /usr/bin/pulseaudio --start
1195 ? S 0:00 \_ /usr/lib/pulse/gconf-helper
but pacmd list still reports this
0 card(s) available.
0 sink input(s) available.
0 source outputs(s) available.
0 cache entrie(s) available.
Here is the output of pacmd dump if it helps
### Configuration dump generated at Thu Feb 16 08:45:56 2012
load-module module-device-restore
load-module module-stream-restore
load-module module-card-restore
load-module module-augment-properties
load-module module-udev-detect tsched=0
load-module module-jackdbus-detect
load-module module-bluetooth-discover
load-module module-esound-protocol-unix
load-module module-native-protocol-unix
load-module module-gconf
load-module module-default-device-restore
load-module module-rescue-streams
load-module module-null-sink sink_name=auto_null sink_properties='device.description="Dummy Output"'
load-module module-always-sink
load-module module-intended-roles
load-module module-suspend-on-idle
load-module module-console-kit
load-module module-position-event-sounds
load-module module-cork-music-on-phone
load-module module-filter-heuristics
load-module module-filter-apply
load-module module-dbus-protocol
load-module module-x11-publish display=:0.0
load-module module-cli-protocol-unix
set-sink-volume auto_null 0x10000
set-sink-mute auto_null no
suspend-sink auto_null yes
set-source-volume auto_null.monitor 0x10000
set-source-mute auto_null.monitor no
suspend-source auto_null.monitor yes
set-default-sink auto_null
set-default-source auto_null.monitor
### EOF
EDIT: I should also add that fuser -v /dev/snd/* returns nothing and fuser -v /dev/dsp returns "Specified filename /dev/dsp does not exist".
Last edited by vendion (2012-03-02 23:26:28)

Digging into this further aplay -L gives different output based off of whether or not I ran is as my normal user or with sudo/as root.
As a user (which is how pulseaudio is also being ran):
> aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
default
Default ALSA Output (currently PulseAudio Sound Server)
as root it does see both my sound cards when I run it with sudo or as root:
> sudo aplay -L
Password:
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
default
Default ALSA Output (currently PulseAudio Sound Server)
sysdefault:CARD=SB
HDA ATI SB, ALC887-VD Analog
Default Audio Device
front:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
Front speakers
surround40:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Digital
IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=HDMI,DEV=0
HDA ATI HDMI, HDMI 0
HDMI Audio Output
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Doesn't detect sound card

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Setup Will exit"
Basically I bought an Xtreme gamer and I fitted it into the PCI slot nicely. Then I disabled onboard sound in the BIOS. When the PC loaded up, it didnt detect the new software. So I put the CD in anyway, and it let it load up. When the software installation loaded, it had the option of installing "Sound Blaster X-Fi" and "Creative Media Source". I tried to install them both, it tired to install the "sound blaster x-fi" first, but then as it reached the end, it had the Error message first quoted in the post. Then it installed the media source no problems.
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Digging into this further aplay -L gives different output based off of whether or not I ran is as my normal user or with sudo/as root.
As a user (which is how pulseaudio is also being ran):
> aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
default
Default ALSA Output (currently PulseAudio Sound Server)
as root it does see both my sound cards when I run it with sudo or as root:
> sudo aplay -L
Password:
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
default
Default ALSA Output (currently PulseAudio Sound Server)
sysdefault:CARD=SB
HDA ATI SB, ALC887-VD Analog
Default Audio Device
front:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
Front speakers
surround40:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=SB,DEV=0
HDA ATI SB, ALC887-VD Digital
IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=HDMI,DEV=0
HDA ATI HDMI, HDMI 0
HDMI Audio Output
This behavior is confusing to me, and if someone knows what is going on and how to fix it I really want to get sound with pulseaudio working and have sound again.

New install not detecting sound card

My system is not detecting my sound card after a fresh install although alsa was working OK during installation.
I had the same happen with a Sidux install and this was fixed by a download and re-install of phonon but something else is wrong here.
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@04:31 AM $ lspci
00:00.0 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
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00:0f.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
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00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
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00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:0e.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link)

Yes I had done that.
This from alsaconf...
No supported PnP or PCI card found
Would you like to probe legacy ISA sound cards/chips?
I have also re-installed alsa-lib, alsa-utils, phonon and everything connected with xine that I could find.
Should I be getting into the kernel? If so I'll need a little help.

Skype can't detect sound card

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I'v sorted out the problem. Sorry for the inconvenience!

[SOLVED] Audio dropouts with USB sound card

Hi! Recently I bought an external USB sound card (Music Fidelity V-DAC). If I plug in the USB cable the sound device is recognized by Phonon in KDE4 (kdemod).
If I play an audio file in Amarok (or VLC) the audio is indeed redirected to the USB sound card and played correctly. However, if I use my USB mouse, or USB keyboard dropouts are occurring in the audio signal. It seems that other USB devices are interfering with my USB sound card.
More details:
Arch Linux with kernel 2.6.33 and kdemod 4. Phonon backend is Xine. I also tried gstreamer, but this crashes Amarok/
$ cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xfebfc000 irq 29
1 [default ]: USB-Audio - USB Audio DAC
Burr-Brown from TI USB Audio DAC at usb-0000:00:1d.1-1, full s
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generic-usb 0003:08BB:2706.0003: input,hidraw2: USB HID v1.00 Device [Burr-Brown from TI USB Audio DAC ] on usb-0000:00:1d.1-1/input2
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generic-usb 0003:08BB:2706.0005: input,hidraw2: USB HID v1.00 Device [Burr-Brown from TI USB Audio DAC ] on usb-0000:00:1d.1-1/input2
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Last edited by boomerang (2010-04-25 17:47:15)

Thanks for your suggestion. I added the following line to my /etc/modprobe.d/modprobe.conf file:
options snd-usb-audio enable_msi=1
After a reboot the problem still persists. I also tried another suggestion from this forum:
options snd-usb-audio nrpacks=1
This doesn't work either. I tried to change settings in /etc/security/limits.conf, which looks like this:
@audio - rtprio 99
@audio - nice -10
@audio - memlock 250000
The USB sound card doesn't share a IRQ with another USB devices, as can be seen here:
$cat /proc/interrupts
CPU0 CPU1
0: 124157 0 IO-APIC-edge timer
1: 2102 0 IO-APIC-edge i8042
8: 182 0 IO-APIC-edge rtc0
9: 523 0 IO-APIC-fasteoi acpi
12: 3780 0 IO-APIC-edge i8042
14: 15944 0 IO-APIC-edge ata_piix
15: 5177 0 IO-APIC-edge ata_piix
16: 29001 0 IO-APIC-fasteoi uhci_hcd:usb5, firewire_ohci, nvidia
17: 0 0 IO-APIC-fasteoi mmc0
18: 0 0 IO-APIC-fasteoi uhci_hcd:usb4
19: 44788 0 IO-APIC-fasteoi uhci_hcd:usb3
23: 387 0 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb2
28: 1608 0 PCI-MSI-edge eth0
29: 932 0 PCI-MSI-edge hda_intel
30: 0 0 PCI-MSI-edge iwl3945
NMI: 0 0 Non-maskable interrupts
LOC: 22401 65060 Local timer interrupts
SPU: 0 0 Spurious interrupts
PMI: 0 0 Performance monitoring interrupts
PND: 0 0 Performance pending work
RES: 89856 104215 Rescheduling interrupts
CAL: 1409 563 Function call interrupts
TLB: 1733 2536 TLB shootdowns
TRM: 0 0 Thermal event interrupts
THR: 0 0 Threshold APIC interrupts
MCE: 0 0 Machine check exceptions
MCP: 2 2 Machine check polls
ERR: 0
MIS: 0
$ lsusb
Bus 003 Device 002: ID 046d:c03d Logitech, Inc. M-BT96a Pilot Optical Mouse
[b]Bus 003 Device 003: ID 08bb:2706 Texas Instruments Japan [/b]
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 07ab:fc88 Freecom Technologies
Bus 001 Device 006: ID 05e1:0501 Syntek Semiconductor Co., Ltd DC-1125 Webcam
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 046d:c317 Logitech, Inc. Wave Corded Keyboard
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Any other suggestions?
I even tried to disable the internal sound card by blacklisting it:
blacklist snd-hda-intel
.. but still no success
Last edited by boomerang (2010-04-19 20:04:33)

Skype can't detect sound card, issue with playback...

Hello
I have just received my Razer kraken 7.1 headset and have installed razer synapse 2.0. I have set up my mic and speakers of the headset through the control panel, my playback is set as the razer kraken 7.1 earphone and the mic is set as the headset microphone through the recording tab. When I launch skype there is no sound produce through the application, however with previous headsets there has been, I have tried going on youtube to see if sound comes through the headset and it does. Previously I have been using a turtle beach z11 which used 3.5mm jacks in to the computer however this new headset is usb operated. When skype opens and I try to call someone it says problem with playback device meaning I can't call anyone at all. However when checking call quality it says everything is working fine even though it isn't.
So far I have tried re-installing skype and restarting my pc none of this has worked so far, I know this isn't likely a fault with the headset as it works with all other programmes I have tried.
I am using a custom built pc with
OS: WIN7 64 BIT Home Premium
GPU: AMD HD7950
CPU: i5-3550
RAM: 8gb 1333mhz
Motherboard: Asus p67 series
Sound card: Onboard 7.1 audio
Any help with my problems would be much appreciated.
-Thanks
George Snell

@gsnell, Please setup your audio device directly in Skype and not only in the windows playback/record interface.
Also, please try to quit synapse 2.0 since it may interfere with Skype.
Also please try with the latest 6.13 version
www.skype.com/en/download-skype/skype-for-windows/downloading/
if nothing helps, Can you please provide logs as described in this link https://support.skype.com/en/faq/FA12321/how-do-i-create-log-files under Skype for Windows Desktop and attach it to your post?
Thank you

Audio capture (recording) from sound card doesn't work

I have a Asus Xonar DS sound card that uses CMI8788 chip, AV200 kernel driver and snd-virtuoso kernel module. The card is recognised on installation (i686) and there are no issues with the sound output.
This is a new installation to try to fix the (lack of) recording problem. I know the card can be used to capture sound being played from a web browser, Youtube and internet radio, as I previously had it working with audacity, gnome-recorder and mhwaveedit, but some months ago, after an upgrade it stopped working.
Alsamixer shows the card as AV200 and I have toggled all the capture options and raised levels to no avail.
The card is not broken as the capture works fine on Kubuntu and even Win7. I have tried pasting asound.state from Kubuntu but there was no diference.
Does anybody know a good troubleshooting guide that deals with the capture side, not output.

"volume: can't open /dev/mixer " is for the users who use OSS so there; you should find out what uses OSS and change it if it is possible and not solely on oss.
and the error I am having is because I defined the specific software to hwd:0,0. so what i should do is to check my softwares and set the audio output to "default"
So in another word use you sound card and in output option of your sound card choose "default over hwd:0,0"

Wireless audio connection to external sound card

Hi to all!
I'm using a usb audio interface (Fast track pro) to my Dell Vostro computer. I use this interface to get better sound quality producing music and to use studio speakers, connect eventually some synth, record samples...nothing too much serious. End of introduction, go to my problem.
I'm trying to connect the sound card to my computer without cables using the HP wireless audio. I would like to know what output rate has de S/PDIF connection. Also, as I understand, if I connect the HP wireless audio using this connection, the device is not doing any Digital to Analog transformation, right? I want a pure digital input in my sound card! I must say I have tried the connection (Computer - USB transmiter -> HP wireless audio s/PDIF out - Soun card s/PDIF input)and it didn't work. I need to sync both devices. Can you help me doing that? I know maybe it's not a typical connection, if you think a better way to do it (or think is madness) just let me know!
Many thanks! Also must say I'm not an expert user, so excuse me if I say something wrong.

Hi again,
I just found a link on M-Audio's website (forum) that says the Fast Track Pro does not support sleep mode, and that I should set my computer to never go to sleep. *****, a little, but I guess it's not a huge deal. And, ultimately, what matters is the sound quality that I get. And, that is quite good!
In the meantime, your point about an external power supply (besides the USB power) is interesting, and a really good point. I wonder if I powered the interface with the optional external power supply, would that alleviate the problem (since the power to the M-Audio box would be continuous). I may, one day, order the optional power supply and check it out. In the meantime, I will simply set my computer to never go to sleep.
I do have a question in this regard, though: Is "going to sleep" the same issue as "screensaver". I ask this because I've figured out how to set the screensaver to "never", but I don't see anything about "sleep" mode. Is this the same thing? If not, how do I access the "sleep mode" settings?
Thanks again!
Vic

AUDIO QUESTION: Running external sound card plus internal sound a once

Hello,
I have a question about the possibility of operating an external sound card (Line 6 tone port UX1) and operating internal audio at the same time. In system preferences, it just lets me have one or the other.
Is there a workaround or program that would allow me to do this.
It is necessary because I need a cueing output and a master output for djing with my m-audio xsession pro.
Any suggestions would be great.
Thanks,
Lynx

model external sound kard is e-mu 0404. it is unkhnown for may hp laptab

Hp Pavilion g6 is suddenly unable to detect sound card

Hp Pavilion g6 is suddenly unable to detect sound card

Error 303 means you need to replace the hdd. If you are in warranty HP will send a replacement. If you are not in warranty you can use a retail SATA laptop hdd. Install the new drive, boot with Recovery Disks to restore the laptop to factory setup.
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Sound card not being detected by alsa

I compiled a kernel using the /usr/src method as per the wiki page. However, I've been having some problems with ALSA. I compiled in ALSA and support for my card (I think I did at least) as modules. alsaconf finds my card fine, but alsamixer dies with this message:
alsamixer: function snd_ctl_open failed for default: No such device
I tried using strace on it:
open("/etc/ld.so.cache", O_RDONLY) = 3
open("/usr/lib/libncursesw.so.5", O_RDONLY) = 3
open("/usr/lib/libasound.so.2", O_RDONLY) = 3
open("/lib/libm.so.6", O_RDONLY) = 3
open("/lib/libdl.so.2", O_RDONLY) = 3
open("/lib/libpthread.so.0", O_RDONLY) = 3
open("/lib/libc.so.6", O_RDONLY) = 3
open("/usr/share/alsa/alsa.conf", O_RDONLY) = 3
open("/dev/snd/controlC0", O_RDONLY) = -1 ENODEV (No such device)
open("/dev/aloadC0", O_RDONLY) = -1 ENODEV (No such device)
alsamixer: function snd_ctl_open failed for default: No such device
Process 28188 detached
However, /dev/snd/controlC0 exists, even though the output of the above would lead me to believe differently.
What else is weird is, mplayer and xmms can play sounds just fine, but Firefox and aplay cannot.
More information about my setup is available from the output of an ALSA info script, here: http://pastebin.ca/591136 and http://pastebin.ca/590970
Any idea what's going on? This is very strange. Thanks.
Last edited by intimidat0r (2007-06-27 01:57:24)

Silly question, installed the drivers for the z?

Pulse audio doesn't see any card

I've changed my desktop to gnome 3 from kde, previously having xfce installed.
While having very hard issues to make sound works in KDE, i decided to switch from alsa to oss
and that had made a trick.
After switching to gnome shell, pulse devchooser and console tools says - there is no card detected,
altough skype-oss is working well, I can hear it sounds. Firefox and flash are silent.
Do I have to reenable Alsa (I dont want cause skype doesn't work without oss on my desktop)?
Can you please help make my sound working on gnome3?

There are two wires that attach to the AirPort Extreme Card; one for Wi-Fi and the other for Bluetooth. Be sure to double-check both for a solid connection AND to make sure that you don't accidentally have the wires crossed.

[SOLVED] knotify4 is locking sound card (ALSA only & ICE1724)

Just today 7/8/11 I did a pacman -Syu after using reflector to get the latest/fastest mirrors. After the KDE upgrade, everything is working correctly again.
When my system boots up, I hear the standard startup sound after logging into KDE. If I try to use "speaker-test" or upon trying to play in MPD or anything else I get a
"ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave
Playback open error: -16,Device or resource busy"
error. I thought the default device was getting confused (as per the wiki page on ALSA), so I blacklisted the HDA Intel to be rid of the HDMI on my ATI video card. The onboard sound is disabled in the BIOS. I do not want to use the onboard sound as the Beyerdynamic headphones I have cannot be driven effectively by the onboard Realtek. So, in other words, I am not using surround sound of any sort, just simple stereo. When I do "aplay -l" the only device listed is the Terratec card, so it should work. I have tried various custom .asoundrc files and the suggestions in the Configuration and Troubleshooting sections in the Wiki.
What I don't understand is why the KDE system sounds work on login and logout. I have not been able to find topics that relate to this exact problem. I have deleted my .asoundrc and cleared the /etc/modprobe.d/alsa.conf file as the ALSA instructions claim they should work with most systems.
(Edited subject to better explain problem) -Vince
Last edited by vinceb (2011-07-08 20:27:49)

Upon futher investigation, apparently knotify4 is tying up my card for some reason, which makes sense as my KDE system sounds work. I believe a recent upgrade to something caused this, but I am not positive which one as it's been a couple weeks since I even used the sound. I know that dmix is supposed to be automatic now and should not require further configuration in a ~/.asoundrc file. I am still stumped - the suggestions I tried from searches were from earlier ALSA versions and thus far havn't worked. I need an ALSA expert!

Pulse Audio no longer detecting sound card; ALSA still detects

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