Re: NVIDIA: no sound to TV via HDMI

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On Mon, Jan 25, 2010 at 4:30 AM, Ed Greshko <Ed.Greshko@xxxxxxxxxxx> wrote:
> Bill Davidsen wrote:
>> Marcel Rieux wrote:
>>
>>> Since the NVIDIA forums are just a lost of time, I'll first ask the
>>> question here.
>>>
>>> I have an NVIDIA 9400GT card and a Sony LCD TV linked with an HDMI cable.
>>>
>>> First problem I found: the S/PDIF cable -- which is needed only with
>>> NVIDIA cards -- wasn't installed. The plug had a molding problem and
>>> one of the 4 holes was blocked. (The hole was just empty: no wire
>>> going to it.) I opened it with a pin, installed it with the arrow
>>> facing the closest part of the motherboard, reversed it, and, of
>>> course, sound doesn't come out of the TV. It's an Nvidia product!
>>>
>>> Anybody got this working?
>>>
>>
>> Did you get PulseAudio to send output to the connector? Many times this is a PA
>> config issue.
>>
>>
> That is actually a very good question....
>
> Everything I would find out about ASUS Nvidia 9400GT based cards
> (assuming this is an actual card) is that the spdif cable is simply a
> pass though.  One connects the spdif cable from the graphics card to
> either a sound card connector or motherboard connector (depending on
> your system and its configuration) and sound is simply passed through to
> the HDMI.

That's how it's *supposed* to work.

> So, one needs to ensure the output is configured correctly.

The only relevant configuration I see for sound is under the hardware
tab. Anything analog gives an output on the computer, anything digital
gives no output. In both cases, there is no output on the TV.
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