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 Forum index » Advanced Topics » Hardware » Audio
Thinkvision USB Soundbar: no sound
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mave

Joined: 02 Apr 2009
Posts: 130
Location: Germany
PostPosted: Wed 27 Jul 2011, 15:26    Post subject:  Thinkvision USB Soundbar: no sound  
Hi,

trying a Lenovo Thinkvision USB Soundbar (F/N:40Y7616) but getting no sound.

Vendor: 0x0e6a Product: 0x0310 but Hardinfo gives "Unknown USB 2,00 device (class 0)"

I fount in the Web calling
Code:
cat /bin/bash > /dev/dspX
and in Lucid 52x a bad sound is coming Wink but alsaconf doesn't found this usb-audio card.

(No trouble on Windows XP Mad )

Has anybody an idea?
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bigpup


Joined: 11 Oct 2009
Posts: 3687
Location: Charleston S.C. USA
PostPosted: Wed 27 Jul 2011, 15:57    Post subject:  
Try this:
Quote:
Sound muted on boot. Right-click the speaker icon in the system tray and choose Full Window. Enable Master, PCM, Front and any others that seem likely and also turn up the volume in each. This should fix things a good percentage of the time. If not, then please try Menu -> Setup -> Alsa Sound Wizard.

If no sound, open Menu -> Multimedia Tools -> Alsamixer (alsamixer, not alsawizard). Press F6 and that will show you what sound devices have been detected and configured. If yours is not the top one then arrow down and click it, then make sure everything plausible is turned up. I have to do this with my “second” sound card (an M-Audio). Then to play through the M-Audio I use Audacious but one can also use Pmusic and any other audio player that allows you to choose which device to play through. I have to this also with my M-Audio and I use Audacious -> File -> Preferences -> Output Plugin Preferences to choose the card I want.

If none of this works, then try alsawizard. The thing about alsawizard is that after it runs there is only one device configured--if that is the device you want then good, otherwise .....

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mave

Joined: 02 Apr 2009
Posts: 130
Location: Germany
PostPosted: Wed 27 Jul 2011, 17:43    Post subject:  
Thanks bigpup,

but the usb sound device is not recognized als sound card. That means:

no sound icon,

alsamixer => "cannot open mixer: No such device"

alsawizard => no supported card found...

..but surprised about this:

Code:

sh-4.1# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


Maybe to force a modprobe command...
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mave

Joined: 02 Apr 2009
Posts: 130
Location: Germany
PostPosted: Wed 27 Jul 2011, 18:06    Post subject:    
...ah! I found inside /etc/modeprobe.de/alsa-base.conf this:
Code:
options snd-usb-audio index=-1


Don't know why 'index=-2' after changing to

Code:
options snd-usb-audio index=0


Puppy was able to find the ThinkVision Soundbar device and give the sound.

For now, only one mixer element (PCM-Playback-Volume) ist availabe and hardware front buttons for volume +/- have no function. Not bad Wink Maybe this will be solved too...
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