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#1 2006-07-27 11:07:12

sydney
Member
Registered: 2005-11-25
Posts: 63

NVidia CK804 with ALC850 [ No Center/LFE Output]

Hi,

if i play a Stereo Source like mp3/wav dont get  Center/LFE Sound just the both Front / Rear Speakers Plays.

DVD with 5.1 Plays Front / Rear / Center but no LFE (Subwoofer).
Asus A8N SLI Premium.

kernel26beyond 2.6.17.beyond2.2-1
alsa-utils 1.0.11-1
cat /proc/asound/devices
  0: [ 0]   : control
  1:        : sequencer
 16: [ 0- 0]: digital audio playback
 18: [ 0- 2]: digital audio playback
 24: [ 0- 0]: digital audio capture
 25: [ 0- 1]: digital audio capture
 32: [ 1]   : control
 33:        : timer
 40: [ 1- 0]: raw midi
cat /proc/asound/cards
0 [CK804          ]: NFORCE - NVidia CK804
                      NVidia CK804 with ALC850 at 0xd5003000, irq 18
 1 [UART           ]: MPU-401 UART - MPU-401 UART
                      MPU-401 UART at 0x330, irq 10


Thank you Guys for help.[/code]

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#2 2007-04-25 07:36:16

nordlicht
Member
From: Hamburg/Germany
Registered: 2003-07-23
Posts: 62

Re: NVidia CK804 with ALC850 [ No Center/LFE Output]

Hi

I have the same mainboard and the same problem.


chris

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#3 2008-09-17 01:51:03

technokemono
Member
Registered: 2008-09-17
Posts: 4

Re: NVidia CK804 with ALC850 [ No Center/LFE Output]

I'm having the same issue; any chance either of you ever found a solution?

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#4 2008-09-17 02:46:01

jacko
Member
Registered: 2007-11-23
Posts: 840

Re: NVidia CK804 with ALC850 [ No Center/LFE Output]

oss4

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#5 2008-09-24 19:32:57

technokemono
Member
Registered: 2008-09-17
Posts: 4

Re: NVidia CK804 with ALC850 [ No Center/LFE Output]

jacko wrote:

oss4

Thanks for the response, but that doesn't seem to help...
With oss4 everything works fine without center, but once you try to change to multichannel, it all goes to hell. There's an incredible amount of noise and the sound is distorted, like the pitch has been cranked way down. Tried turning the PCM and Master levels down and compensating by turning my speakers up, but that gives the same results.
So, any other suggestions?

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