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Forums › Home Theatre › Panasonic ST50, how can I get Dolby pass through on HDMI?


427 posts

Ultimate Geek
Topic # 113888 30-Jan-2013 23:41

Loving the new Panasonic except I can't get Dolby to pass through to SPDIF when fed HDMI.

The amp sees Dolby from the internal tuner on the Pana ok. When selecting any HDMI source the Dolby does not pass. A down mixed PCM is sent through the optical SPDIF.

Sources are set to output the Dolby stream. I have a BW880 MyFreeview recorder and an Igloo box connected as HDMI and neither one will do it. The TV has a selection for digital audio or analog on the HDMI inputs, both sources are set to digital.

Has anyone got any suggestions? What have I missed? Cheers for any ideas.




don't mess with me.... i'm the hd insider....

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591 posts

Ultimate Geek
  Reply # 753572 31-Jan-2013 00:08 Send private message

That is working as designed I'm afraid.

You'll need to send optical/coxial from all your source devices to the AVR, or get an AVR with HDMI inputs.



427 posts

Ultimate Geek
  Reply # 753581 31-Jan-2013 02:19

Thanks for the quick answer. After going through all the menus many times, I thought I was going mad not finding the setting for it!

Are any other TVs able to do this HDMI to SPDIF Dolby passing? Is it just my model that can't?

My main goal for doing it was to match the lip sync up... (to account for the display delay).




don't mess with me.... i'm the hd insider....

950 posts

Ultimate Geek
  Reply # 753599 31-Jan-2013 07:50 Send private message

hdinsider:

Are any other TVs able to do this HDMI to SPDIF Dolby passing? Is it just my model that can't?



My Sony ex720 passes Dolby from my external equipment (BWT720 etc) via HDMI to Optical except when playing Blu Ray discs.
For some unknown reason it downmixes to PCM from a Blu Ray. Everything else goes thru as Dolby.

591 posts

Ultimate Geek
  Reply # 753648 31-Jan-2013 09:16 Send private message

hdinsider:
Are any other TVs able to do this HDMI to SPDIF Dolby passing? Is it just my model that can't?


Panasonic don't. Neither my GT50 or V10 (2009 model) will.



427 posts

Ultimate Geek
  Reply # 753921 31-Jan-2013 14:40

Thanks for your answers!

It's a bit disappointing thet I can't do it with the TV, but i'm still happy I bought it... great picture!

Oh, well... guess I need to get an HDMI AVR now. (secretly happy!!!- need a newer amp)




don't mess with me.... i'm the hd insider....



427 posts

Ultimate Geek
  Reply # 753923 31-Jan-2013 14:41

B1GGLZ:
hdinsider:

Are any other TVs able to do this HDMI to SPDIF Dolby passing? Is it just my model that can't?



My Sony ex720 passes Dolby from my external equipment (BWT720 etc) via HDMI to Optical except when playing Blu Ray discs.
For some unknown reason it downmixes to PCM from a Blu Ray. Everything else goes thru as Dolby.


The Bluray isn't DTS is it? That wouldn't pass as Dolby maybe.




don't mess with me.... i'm the hd insider....

950 posts

Ultimate Geek
  Reply # 753965 31-Jan-2013 15:32 Send private message

hdinsider:
The Bluray isn't DTS is it? That wouldn't pass as Dolby maybe.

Quite likely that is the reason.
Haven't checked to see if non-DTS content does passthrough.

305 posts

Ultimate Geek
  Reply # 754395 1-Feb-2013 13:31 Send private message

hdinsider: Thanks for your answers!

It's a bit disappointing thet I can't do it with the TV, but i'm still happy I bought it... great picture!

Oh, well... guess I need to get an HDMI AVR now. (secretly happy!!!- need a newer amp)

I just have optical cables running from the Tivo and Blu ray to my amp. I have two HDMI cables from these boxes to the TV for the video. The amp doesn't have HDMI. No problems with lip synch to my ST50

950 posts

Ultimate Geek
  Reply # 754403 1-Feb-2013 13:51 Send private message

minimoke:
I just have optical cables running from the Tivo and Blu ray to my amp. I have two HDMI cables from these boxes to the TV for the video. The amp doesn't have HDMI. No problems with lip synch to my ST50

+1
I have similar setup. Amp with no HDMI, Blu Ray recorder and Media Player to Sony TV via HDMI.
Never had audio sync problem except with bad recordings on the PC that are obviously out of sync anyway.

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