[mythtv-users] Confusion about Output Cards.

[Nick Ellson]

<light bulb coming on>

Ok.. That makes sense. I'll find me a Video card with DVI out for my video 
to the Sony Wega.. As for Audio. I have a DAV-FR1, and I saw a black 
connector on teh back that looked like teh black connector on the TV, but 
this system in a 5 disc DVD player as well, might that also be video, or 
would you suspect the SPDIF? That would be my prefered from your 
description. Next off would be a SPDIF converter (or a new sound system 
that supports SPDIF as the Sony 5 disc changer I have SUCKS, takes almost 
45 secs to switch discs.. That does not make the kids happy ;)

So, is it a fairly easy thing to find long DVI cable? (say 50-70 feet?)
Same for SPDIF?

Nick





-- 
Nick Ellson
CCDA, CCNP, CCSP, CCAI,
MCSE 2000, Security+, Network+
Network Hobbyist, VFR Private Pilot.


On Tue, 14 Mar 2006, Jesse Guardiani wrote:

> Nick Ellson wrote:
>> Ok, so DVI.. Is that the standard large white d-sub that I am using at
>> work for my 20 inch LCD? Or is that to do with the little black optical
>> connector on the back of my HDTV TV Set?
>>
>
> May the google be with you:
>
> http://www.interfacebus.com/Design_Connector_Digital_Visual_Interface_DVI_Bus.html
>
>
>> What about Audio? How would I get the full dolby/dts whatever all they way
>> to my 6 speaker Sony Dream system (also has one of those little black
>> optical connectors, and RCA inputs)
>>
>
> DVI only carries video, so you'll need to output that audio from your
> sound card. I'm not aware of
> any linux software actually being able to generate or otherwise
> manipulate dolby/dts/thx/etc, so the
> only way to do it is to use an external digital audio decoder (usually
> comes with the system) and use
> an SPDIF connector to send audio from the sound card to the external
> decoder.
>
> SPDIF comes in a number of different flavors, coax and optical being the
> ones I'm familiar with. I
> personally have an optical output on my Turtle Beach Riviera card and I
> connect that to my external
> decoder (Logitech Z-5500).
>
> But, like I said, Linux can't auto detect or modify dolby/dts/thx/etc
> very well (at all?), so you have
> to take the audio that already exists in your mpeg files and hand it off
> to the sound card directly
> without modification. This is called "passthrough". You'll need to
> specifically enable this feature in
> all of your applications, like mythfrontend, mplayer, xine, etc. Read
> more here:
>  http://www.mythtv.org/wiki/index.php/Configuring_Digital_Sound
>
>
>> Or would I use a 6.1 sound card and run MORE wires :\ I am affraid of
>> that, my system is in a 19" rack in my garage. I can run cable under the
>> house to my TV, but it would be nice to know what to run (and I have a IR
>> Remote RF repeater so I can use whatever remote system works with Myth
>> TV.)
>>
>
> I don't even know if those analog multi-port cards work under linux. I
> think they require the driver
> to decode the sound stream in software and I don't think any linux
> drivers are that intelligent yet.
> Buy a card with SPDIF if your current card doesn't have it.
>
> -- 
> Jesse Guardiani
> Programmer/Sys Admin
> jesse at wingnet.net
>
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