[mythtv-users] Complication(s) with display upgrade - need help

Daryl McDonald darylangela at gmail.com
Mon Mar 19 21:23:53 UTC 2018

On Mon, Mar 19, 2018, 11:47 AM Michael T. Dean <mtdean at thirdcontact.com>

> On 03/19/2018 09:16 AM, Mike Holden wrote:
> > On 20 March 2018 at 00:02, Craig Huff <huffcslists at gmail.com
> > <mailto:huffcslists at gmail.com>> wrote:
> >
> >     So, here's where things stand after this morning's exercises:  The
> >     built-in Nvidia graphics supports smooth video delivery via the
> >     DVI to HDMI adapter cable while the newer and more capable add-in
> >     Nvidia adapter outputs jumpy, slow video.  There could be many
> >     reasons for the "better" video adapter performing poorly, but I've
> >     spent enough time debugging things already, so I choose not to
> >     investigate it further.
> >
> >
> > Jumpy, laggy video is often the result of the audio output device
> > being set incorrectly in mythfrontend. This can often occur if you
> > change the video/audio hardware without going back into the audio
> > settings. Try changing the audio out device.
> Good advice.  And, as I was trying to say in my post, at least try
> setting the audio output device to the HDMI on your nvidia card.  It may
> well work, even with the adapter you have.  (I definitely wasn't saying
> to get the one I got--only that it works for me even though many of the
> reviewers say it doesn't.)  A lot of manufacturers just flat out say
> audio won't work through their adapter so they don't have to explain the
> requirements for the circumstances where it will--that it will only work
> with certain DVI outputs, generally on certain video cards with certain
> video drivers, and a properly-configured system, and ...
> Oh, and FWIW, the +5 vs +1 isn't important for the audio.  Those 4 pins
> you're "missing" are used for the analog side of the DVI-I (which you
> don't want to use)--they're Analog Red/Green/Blue/Horiz Sync.  Your 24
> +1 is a DVI-D dual link connection, which is fine (you want the digital
> connection).  You just need to see if HDMI audio works through it, too.
> Mike

Assuming the OP has a PCIx16 slot wouldn't a nvidia card with HDMI out be a
simpler solution?

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