[mythtv-users] Popping sound on AC3 / DTS passthrough.
myth at dermanouelian.com
Tue Nov 21 15:32:19 UTC 2006
On Nov 21, 2006, at 5:35 AM, mythtv at longhome.co.uk wrote:
> Finally got hold of a motherboard with SPDIF out (Realtek AC'97),
> and I've
> got the AC3 passthrough working. However, I get a strange popping
> like a digital signal) on the analogue out. Interestingly the same
> happened on my old MB when I tried enabling AC3 passthrough. When
> normal TV (ie. something without an AC3 / DTS track), there's no
> problem. I
> get good sound through both the SPDIF and analogue out.
> A way around it is to mute the TV, but thats a bit of a pain. I can
> mute the PCM in the mixer, but again, this currently has to be done
> Is there anything I'm missing? I guess I could always write a
> script to
> switch the mute between the SPDIF and the PCM, and program a remote
> to run that script. Can that be done from within myth? or will I
> have to
> write a specific action to be able to do that?
Curious as to why you need to switch between digital and analog
audio. Since you've got SPDIF working, why use the analog out at all?
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