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Old 12-05-09, 10:48 AM   #1
shanondink
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Join Date: Dec 2009
Posts: 2
Default Centos Optical SPDIF

Hi,

I'm having a heck of a time with this.

I have an Asus M3N78 PRO and I'm trying to output sound to optical SPDIF. This motherboard only has a the RCA out so I added on the optical card and it lights the fiber.

If I issue "speaker-test -c2 -twav -Dplughw:0,3" I get output through my TV.

But "speaker-test -c2 -twav -Dplughw:0,1" does not error, but no sound.

I am changing inputs on my receiver and have the defaults in the bios

Where should I go to troubleshoot this more? I've been googling for 2 days with no luck.


#lspci -v
Code:
00:07.0 Audio device: nVidia Corporation MCP72XE/MCP72P/MCP78U/MCP78S High Definition Audio (rev a1)
        Subsystem: ASUSTeK Computer Inc. M3N72-D
        Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 193
        Memory at fe020000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: [44] Power Management version 2
        Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
        Capabilities: [6c] HyperTransport: MSI Mapping
#aplay -L
Code:
front:CARD=NVidia,DEV=0
    HDA NVidia, ALC1200 Analog
    Front speakers
surround40:CARD=NVidia,DEV=0
    HDA NVidia, ALC1200 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=NVidia,DEV=0
    HDA NVidia, ALC1200 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=NVidia,DEV=0
    HDA NVidia, ALC1200 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=NVidia,DEV=0
    HDA NVidia, ALC1200 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=NVidia,DEV=0
    HDA NVidia, ALC1200 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=NVidia,DEV=0
    HDA NVidia, ALC1200 Digital
    IEC958 (S/PDIF) Digital Audio Output
null
    Discard all samples (playback) or generate zero samples (capture)
# aplay -l
Code:
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC1200 Analog [ALC1200 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 1: ALC1200 Digital [ALC1200 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 3: NVIDIA HDMI [NVIDIA HDMI]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

Thanks a bunch,
Shanon
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