[mythtv-users] mplayer on m2npv-vm with ac3 pass-through = soundfull of gaps

Ashley Bostock abostock at gmail.com
Fri Dec 7 20:49:57 UTC 2007


On 07/12/2007, Ismo Tanskanen <ismot at telemail.fi> wrote:
>
> When I try running mplayer on my m2npv-vm motherboard (using snd-hda-intel
> module on ubuntu 7.10) with ac3 pass through it starts playing on my
> decoder
> but then after a few seconds the dolby digital light turns off then on
> again, plays for a few more seconds, off it goes again and so on. The gaps
> in the audio are not regular either. It's as if my sound card stops
> sending
> an ac3 signal for a moment then resumes again.
>
> Straight analog out of the card is fine. Myth's internal player exhibited
> a
> similar behavior until I turned off the sync audio to video frames option.
>
> Any idea how I can fix this problem? does anyone else have this
> motherboard
> and is doing ac3 pass through using the coax port with mplayer?
>
> Ash
>
>
> How long is your coax cable? I had similar issue with long (>10m) cable.
> Other possibility is incompability between your amplifier and sound card.
>
> If you can, test with other amplifier.
>
> -kane
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Just tried it with the optical out instead and that's working fine.  Bit odd
the coax doesn't work, the cable is pretty short <1m and works fine using a
different device. As optical seems to be working fine I'll stick with that.
Thanks for the replies.

Ash
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