[mythtv-users] cracking on some DTS tracks

Nicolas Will nico at youplala.net
Sun Apr 4 07:38:38 UTC 2010


On Sun, 2010-04-04 at 17:05 +1000, Jean-Yves Avenard wrote:
> Hi
> 
> On Sunday, April 4, 2010, Nicolas Will <nico at youplala.net> wrote:
> > On Sun, 2010-04-04 at 09:59 +1000, Jean-Yves Avenard wrote:
> >> Hi
> >>
> >> On 4 April 2010 04:19, Nicolas Will <nico at youplala.net> wrote:
> >> > Hello,
> >> >
> >> > I have some movies with DTS soundtracks giving me cracking sounds
> on
> >> top
> >> > of the proper soundtrack.
> >> >
> >> > Not all...
> >> >
> >> > Looking at the archives did not provide me with a working
> solution.
> >> >
> >> > The MythTV system uses the on-board sound chips and is connected
> to
> >> a
> >> > DTS-capable receiver from Yamaha using an optical S/PDIF cable.
> >> >
> >> > Any offers on solutions ar things to explore?
> >>
> >> Did you activate the software volume by any chance ?
> >
> > I have check.
> >
> > NO, I am not using it, MythTV is not controlling the volume.
> >
> > (but when I turn it on, I get a sound with no pops and cacks, just
> not
> > DTS anymore, so it looks like the DTS data is clean and can be
> decoded)
> >
> 
> when checked, the DTS track is decoded, volume change is applied and
> the stream is re-encoded as AC3.
> 
> A DTS track is sent as-is to the amplifier if DTS passthrough Is
> checked.
> 
> So if you're hearing any sound distortion. It must come from your
> amplifier.
> 
> >>
> >> Your Yamaha what does it show as receiving DTS or AC3 ?
> >
> > YES, nice DTS logo is there.
> >
> 
> so it definitely comes from your amp.
> 
> Passthrough is just that. Pass through. 

Not what I wanted to hear, but something I had in mind...

That may be a trigger to buy that upgrade!

thanks,

Nico



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