[mythtv-users] Humming Noise coming from LCD tv

[Sam Jacobs]

That’s very interesting, and would probably be a cheaper workaround for the OP’s problem. Is audio over DVI part of any standard?

Sam

On 1 April 2014 at 12:32:43, Mike Perkins (mikep at randomtraveller.org.uk) wrote:
> On 01/04/14 11:45, Sam Jacobs wrote:
> >
> >
> > On 1 April 2014 at 08:36:15, John Haywood (john at jhit.com.au) wrote:
> >>
> >> On 1 Apr 2014, at 8:25 am, Philip Isaacs wrote:
> >>>
> >>> Okay, so this is slightly off subject, but I've hooked up my Myth PC to my LCD TV via a  
> DVI
> >> to HDMI adapter. I then ran a single audio cable from the sound card on the PC into the  
> audio
> >> port in the back of the TV. The picture looks great but there's a annoying hum coming  
> from
> >> the TV now.
> >>
> >> I have a question - can you not just use sound over hdmi and cut it the sound card?
> >
> > Not using a simple DVI to HDMI adaptor, as DVI doesn’t carry audio. There are adaptors  
> about that can accept analogue or even digital audio and integrate that into the HDMI  
> signal, though, which could work around the OPs problem. Digital audio almost certainly  
> would.
> >
> > Sam
> >
> >
> >>> It's pretty loud too. I tried switching out the cables but I'm having no luck. Any suggestions  
> >> on how to fix this? I know it's not exactly Myth related but I'm guessing maybe others  
> have
> >> run into this issue.
> >>>
> >>> Floyd
> >
> Wrong there. DVI *can* carry audio to an HDMI connector because I have a host
> set up that way.
>  
> I don't use it for myth, though, but as a quarantined unit connected to my ISP's
> router and it just runs basic Debian and Skype.
>  
> The choice of video outputs were DVI and VGA. I got it working using VGA and an
> audio cable but the video quality was poor, so I switched to a DVI-to-HDMI
> adaptor and an HDMI cable.
>  
> To my surprise it runs audio as well so that's what I finished up with.
>  
> --
>  
> Mike Perkins
>  
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--  
Sam Jacobs
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