Broken USB Sound
Hi all,
a speaker system with USB sound card worked seemlessly for long time. Suddenly it stopped working. The sound is now blurred (is this the right word).
Is there any way to re-install the original USB sound driver?
Any ideas are appreciated.
Thanks in advance,
Chris
iMac Core Duo Mac OS X (10.4.8) 1.5 GB RAM - 250 GB HD
If it were me, I'd drop in on a cheap store with easy return policies, like Walmart, and buy a $20 usb microphone/headset. Just about any one should work with the Mini (I use a Logitech model sold for the Playstation on my Mini.)
Then I'd plug it in and see if you get sound. If so, then a more sophisticated usb sound device will likely work fine, such as the iMic:
http://www.griffintechnology.com/products/imic
(And I'd return the cheapo headset to Wally-World.)
Bottom line: I think you'll only be able to answer this question by trying it out yourself.
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Alternatively, just use a pcmcia/expresscard usb hub (should be around 20 to 40 AUD on ebay), which will give you several usb without the need to change the motherboard.
Regards,
Jin Li
May this year, be the year of 'DO'!
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Message Edited by abifar on 0-02-2005 04:46 PMI?m having the EXACT SAME problem. I thought it was something isolated, but apparently it isn't.
Sound just "pops" and "shutdowns" at an irregular interval of time, which is extremely annoying. I've noticed that it depends highly on the usage I'm giving the PC at the moment. When it's jsut sitting there plkaying music, it rarely happens. But if I'm browsing the web, with sites heavy on images or working on several tabs at the same time, it turns into a 0 second thing, making music almost unbareable... installing ANYTHING at the same time kills anything, 2-3 second pops and fades.
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[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
$ dmesg | grep Audio
input: Burr-Brown from TI USB Audio DAC as /devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.2/input/input12
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
input: Burr-Brown from TI USB Audio DAC as /devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.2/input/input15
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
I also tried an Ubuntu (9.10) live CD. Using ALSA or Pulseaudio a clean audio signal without dropouts is produced.
I wonder if someone can help me with this problem, or point me to more information. Thanks!
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) -
USB Sound Card usb_set_interface failed
Hi all,
My sound seems to work for a while (pure ALSA at the moment, though I've had the same error using pulse too), then an event (mostly pause) seems to cause sound to stop working without a reboot. Here's the relevant information:
lsusb
Bus 003 Device 002: ID 08bb:2706 Texas Instruments Japan
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: DAC [USB Audio DAC], device 0: USB Audio [USB Audio]
Subdevices: 0/1
Subdevice #0: subdevice #0
errors.log shows...
Dec 27 16:04:26 localhost kernel: [ 571.890082] timeout: still 3 active urbs..
Dec 27 16:30:08 localhost kernel: [ 2113.840670] 2:1:1: usb_set_interface failed
Dec 27 16:30:13 localhost kernel: [ 2118.840672] 2:1:1: usb_set_interface failed
Dec 27 16:32:55 localhost kernel: [ 2280.833538] 2:1:1: usb_set_interface failed
Dec 27 16:33:00 localhost kernel: [ 2285.837559] 2:1:1: usb_set_interface failed
Dec 27 16:33:07 localhost kernel: [ 2292.800518] 2:1:1: usb_set_interface failed
From then on the device is not listed under aplay-l until the PC is restarted.
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Thanks in advance for your help!Google is your friend. I cant recommend one directly because i dont have one, but using this search term "USB Sound Card mac" a whole host of stuff comes up. YMMV: http://www.google.com/search?hl=en&client=safari&rls=en-us&q=USBSound+Cardmac&btnG=Search
I would however suggest investing a reasonable sum of cash in an external sound-card in order to make sure it is an "upgrade"
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Hello! I have read the alsa config and some related posts from brebs (https://bbs.archlinux.org/profile.php?id=10353) and I setup upmixing to 5.1 and dmix with a USB sound card. It works, but the sound is constantly crackling. I have simplified my .asoundrc to find out where did this problem came from and I got this:
pcm.!default {
type plug
slave.pcm "dmix6"
pcm.dmix6 {
type asym
playback.pcm {
type dmix
ipc_key 567829
slave {
pcm "hw:0,0"
channels 6
It strill crackles with this config but when I change the channels to 2 there is no crackling anymore. I messed with buffer_size and period_size but the problem persists. Using surround51 does not fix it either. Thank you!
Edit: Forgot to mention my sound card, it's a Sweex SC016.
Last edited by Sergius (2014-04-10 03:30:52)emeres wrote:Are there sound artefacts when using speaker-test -c 6 -D 'hw:0,0' ? What speed does that particular usb port have (what version)? What modules does this soundcard use?
I can't exactly tell if there are artifacts with that static sound but I think I the sound was clean. The output of lsusb -D /dev/bus/usb/004/002 has a line containing "bcd USB 1.10" and this is the output of "lsmod | grep '^snd' | column -t" (taken from the ALSA wiki):
snd_usb_audio 94732 0
snd_usbmidi_lib 16191 1 snd_usb_audio
snd_rawmidi 14796 1 snd_usbmidi_lib
snd_seq_device 4252 1 snd_rawmidi
snd_hda_codec_realtek 39245 1
snd_hda_intel 31703 0
snd_hda_codec 129306 2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 4746 2 snd_usb_audio,snd_hda_codec
snd_pcm 64085 3 snd_usb_audio,snd_hda_codec,snd_hda_intel
snd_page_alloc 6134 2 snd_pcm,snd_hda_intel
snd_timer 14974 1 snd_pcm
snd 44446 10 snd_hda_codec_realtek,snd_usb_audio,snd_hwdep,snd_timer,snd_pcm,snd_rawmidi,snd_usbmidi_lib,snd_hda_codec,snd_hda_intel,snd_seq_device
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http://www.ebay.co.uk/itm/USB-2-0-Virtual-7-1-Channel-Audio-Sound-Card-Adapter-3 D-for-XP-Windows-7-Mac-/321480885369?pt=UK_Computing_ComputerComponents_SoundCar ds&hash=item4ad9c10479
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e.g.
http://www.amazon.com/HDE-Compact-Travel-Speed-4-Port/dp/B009G47NG0/ref=pd_sim_e _14?ie=UTF8&refRID=014JJGAHPFBYASDRCG1BHello,
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http://eshop.macsales.com/item/MacAlly/TRIHUB4/
http://eshop.macsales.com/item/MacAlly/TRIHUB7/
Audio Midi Setup in Utilities can do some Port aggregation.
Maybe you are looking for
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