[mythtv-users] SPDIF and HDMI
dardack at gmail.com
Sun Mar 4 20:59:47 UTC 2007
Mithcell, you were so right. IEC958 was muted, i unmuted and played an .au
file and that worked. However, watching a recording all i got was garbage
noise. So i had to put the mixer back to /dev/dsp (not adsp), put the
passthrough output device to ALSA:iec958, than enable the passthrough
checkboxes. Now everything works. Thanks so much.
On 3/4/07, Mitch Gore <mitchell.gore at gmail.com> wrote:
> yes you have to enable IEC958 in the mixer.
> in terminal "alsamixer" use the arrow keys and move over to IEC958 and
> push 'm' to unmute them, there maybe a bunch of them or just one. My sound
> card have about 5 differant IEC's i just played with them until i heard
> sound. A good way to test is to let mplayer play something with digital
> audio in the background to do this use...
> mplayer -ac hwac3 filename
> Now mess with the switches until you hear something.
> On 3/4/07, MacNean Tyrrell < dardack at gmail.com> wrote:
> > Ok the card came with 2 cables, (that each one one end has a connected
> > that attaches to the video card). One goes to Male RCA and one has 2 prongs
> > that are supposed to connect to the SPDIF on the motherboard, the orange
> > goes to SPDIF prong and the Black to GND. I've tried both and audio doesn't
> > seem to pass through. Do i have to set soemthing up specifically for SPDIF?
> > On 3/4/07, Brian Wood < beww at beww.org> wrote:
> > >
> > >
> > > On Mar 4, 2007, at 10:31 AM, Dennis wrote:
> > >
> > > > There should be a header on the video card for audio
> > > > in, if the HDMI can pass audio. Many HDMI outs (even
> > > > on rather expensive Home Theater systems) only pass
> > > > video. If there's an audio-in then there should be
> > > > instructions with the card on how to get it to work.
> > >
> > > It might be controllable by some Windows-only utility that came with
> > > the card, but if it has only 1 set of audio inputs I'd think it
> > > should just pass through. Also check for jumpers and make sure the
> > > cable you're using has the requisite conductors for audio.
> > > _______________________________________________
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> > >
> > --
> > Sincerely,
> > MacNean C. Tyrrell
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MacNean C. Tyrrell
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