[mythtv-users] Audigy Sound Card Upgrade Worthwhile?

Larry K lunchtimelarry at gmail.com
Thu Jun 21 14:47:10 UTC 2007


Cool.  I do have the S/PDIF header.  Just gotta install the cable. I'll tray
that and see how it sounds.  Thanks!

On 6/21/07, Steven Adeff <adeffs.mythtv at gmail.com> wrote:
>
> On 6/20/07, Larry K <lunchtimelarry at gmail.com> wrote:
> > I am currently running mythtv and capturing analog content via dual
> > PVR-250s.  I use on-board nForce2 AC97 Audio, so I have to send the
> audio to
> > my receiver by splitting the single output jack into RCA cables.  In the
> > back of my mind, I have always wondered if this is hurting the sound
> > quality, but it worked and other priorities prevailed.
>
> Highly doubtful that the miniplug will provide substantially worse
> audio quality considering they would both be using an on-board DAC
> supplied power by the noisy PC power rail. The DAC quality on the
> Audigy may be better though, but who knows if the rest of your
> equipment will let you hear that difference.
>
>
> > My friend has a spare Audigy 2 6.1 (SB0240) sound card that he has
> offered
> > for my use.  I am wondering if it will be worth the hassle to install
> and
> > configure?  It has a digital output jack, so I'm thinking I might get
> > improved audio using this.  Worst case, it has analog jacks that don't
> have
> > to be split like my on-board card.  This card supports 6.1 (and so does
> my
> > receiver), but I wonder if any of this matters since I am capturing from
> a
> > relatively crappy (compared to digital) analog cable signal.
>
> As Bill said, your onboard should have an S/PDIF header on it, I would
> recommend using that and making an S/PDIF connection to your receiver.
> The nForce2 chipset has a superior audio system to the Audigy (as do
> the ALC chips) because they don't convert digital to analog for
> processing and then *back* to digital for S/PDIF like ALL the Creative
> sound cards do. This doesn't affect AC3 or DTS, but it does affect all
> non AC3/DTS audio.
>
> This will make a bigger difference in sound.
>
> > Oh.  This card also has a firewire port that I would like to try hooking
> up
> > to my Motorola 6412 cable box (yeah, I know this box may be unreliable
> as
> > compared to the 6200 when it comes to firewire, but I like having the
> > built-in DVR for HD and encrypted content), so yet another reason I am
> > intrigued by the possibility of using this card.
>
> The 6412 is basically useless as a tuner for Myth because of how it
> handles its usage of the two tuners. You could rent a 6200 box for
> firewire recordings if you wanted. You could get along with a $20
> firewire card as well.
>
> --
> Steve
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> http://www.mythtv.org/wiki/index.php/Frequently_Asked_Questions
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