[mythtv-users] HDMI and analog audio and Vizio [SOLVED]
John Finlay
finlay at moeraki.com
Mon Nov 9 21:57:51 UTC 2009
John Finlay wrote:
> Allen Edwards wrote:
>>
>>
>> On Mon, Nov 9, 2009 at 7:39 AM, John Finlay <finlay at moeraki.com
>> <mailto:finlay at moeraki.com>> wrote:
>>
>> I have a Vizio DFP TV that I conect to my mythtv system using HDMI
>> (adapter) from a Nvidia 8600GT using DVI. I think that card has
>> the capability to convey digital audio but I'm not using that.
>> Instead I am using analog audio out to the TV. But it seems that
>> the TV is not using the analog input and (I speculate) expecting
>> digital audio via the HDMI. There is no setting in the TV to force
>> using the analog audio input. I have tried the procedure outlined
>> in http://www.mythtv.org/wiki/Configuring_Analog_Sound_DVI_to_HDMI
>> to try force the card to not send a null digital audio signal but
>> the Vizio still won't use the analog input. Is there anything else
>> I should be looking at to get the analog input to work?
>>
OK I finally figured out that the custom edid option works but because I
was feeding the vizio from both the rbg and dvi ports on the card using
separate x displays I had 2 Device sections in the xorg.conf file. My
mistake was not adding the CustomEDID option to both of the Device
sections. Once I did so hdmi audio was disabled and analog audio worked.
In addition what appeared to be overscan in the DFP also was cleared up.
John
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