DTS, DTS-HD, DTS-X Lipsync (solved)

In my settings no lipsync issues neither Zidoo > Vertex2 > Denon 6200 > Samsung nor Zidoo > Vertex2 > Denon 6200 > BenQ W5700.
Set2 also no issues: Zidoo > Denon 6700 > LG-C3

 

It continues converting Dolby digital and Dts to PCM, only on DVDs.

 

I tried the EDID and made no difference. Using the S&M Lipsync patterns I get -2 with all DTS and 0 with other codecs.

 

And you can't set any delay or advance in a generic and general way because it would improve DTS but make everything else worse.
A truly unpleasant situation.

 

Didn't expect it to but had to try it.

Mind you, -2 isn't as bad as I thought - I though this was in the order of 150ms.

Must admit I find it hard to judge whether it's hitting the 0 or -1 at times but one way to judge if you're not sure is to close one eye and hold the remote or something rectangular up in front of the screen so it blanks out the middle bit and with just watch the flashes at the top and bottom.
That way there's only one stimulus for your eyes and it's very easy to see if it's out - and if I do that I can see the flash and blip are pretty much concurrent.

 

1 & 2 are off for me as well, but the DTS sync issues are very intermittent. Usually stopping and restarting the movie (not pause) fixes it but the UHD Hatari is quite stubborn. Sync is fine using Infuse or VLC, but the Zidoo is off (of course the lossy DD track is in sync).

 

@Markswift2003 yes on 1 and 2 here as well. Are you only using one HDMI out? Are any of the others using dual HDMI out (separate audio from video)? I am w/ my Z3000 but then again, always was with my UHD3000 and never had an issue.

 

Mark, I don't wanna freak you out or anything, but there's a Dalek just to the right of your telly.

 

Yes, both are set to ZERO/OFF. I still have the same DTS (and FLAC) sync issues.

For what it's worth, it doesn't make any difference regarding the sync whether I have Pass-through Compatible Mode set to ON or OFF.

 

That's Henry - he's house trained.

 

Intermittent is an odd one - that makes less sense programatically than just being there all the time.

 

I'm only using the main HDMI out as I assume most do.

 

FLAC makes even less sense!! That's output as PCM...

Yeah, I wouldn't have expected Passthrough Compatible Mode to make a difference to DTS on its own, but I asked because some people may have set the a positive value in Compatible Mode, which only affects Dolby, then countered with a negative value in Global Delay to counter DTS.

 

But if they make players with dual output and the second output has a better quality than the main one why shouldn't I use it?
But above all one expects that both work...

 

Yes, that's what I wrote here about a month ago:

To make matters more complicated, it seems that also other sound formats may be affected by this issue:

• MKV 24 FPS movie file with a stereo FLAC audio stream, shown as PCM on the Denon AVC-X6700H: audio/video out of sync about 150ms
• MKV 30 FPS movie file with a stereo AAC audio stream, shown as PCM on the Denon AVC-X6700H: audio/video are in sync

 

Weird! I have less of an explanation for that compared to zero explanation for DTS out of sync...

 

I didn't say you shouldn't, I just said that I don't.

However, for me, the second HDMI audio out is identical to the output from HDMI 1 so there is no reason for me to complicate matters and separate video and audio.

 

So I have been trying to search my memory for recent DTS sync episodes and the ones that were intermittent that I can recall were VC-1 1080 blu-ray rips, not UHD or more modern 1080 codecs. The 2 files I am currently struggling with are recent UHD releases - the US release of Hatari & the UK Studio Canal release of The Conversation. With these 2 cases, no amount of stopping & restarting gets everything in sync. Playing the stereo LPCM track in The Conversation appears in sync as opposed to the 5.1 DTS-HD remix and the lossy DD stereo audio track of Hatari is in sync compared to the DTS-HD tracks.

The VC-1 BD issues were back on 1.1.60, and since they were intermittent, I have not attempted to reproduce it with 1.1.70. In the case of the recent UHD DTS issues, the amount of sync error is pretty small - not the 150ms we were dealing with a few versions back. The Conversation delay is likely less than 10ms, Hatari is greater but probably less than 50ms.

It is interesting that Infuse doesn't have these issues since it is actually decoding the DTS to multi-channel LPCM. I need to dig out the actual Hatari disc and play it with my Panasonic BDP and see if what happens since this one is easy to spot and very repeatable. I don't recall the last time I actually watched a movie using the disc and BDP

I most definitely do NOT have repeatable sync errors on all DTS material like some report here.

All my content is MKV ripped from the original discs via MakeMKV - no further transcoding or re-muxing. I am playing the actual MakeMKV output file on my NAS via hardwired gigabit LAN. I have MakeMKV set to output directly to the NAS so I don't have to copy huge files over.

 

Both off, and DTS lip sync issue persists on newest firmware

 

So I stuck the actual BD of Hatari in the Panasonic player this morning and, as expected, no lip-sync issues. The really puzzling part is when I now play the MKV via the Zidoo, I don't really see the lip-sync delay I was certain was there yesterday. Tried several time and it seems to play back OK now.

I also sort checked several VC-1 MKV's and no problems either.

So at this point, nothing is repeatable and I am now questioning my sanity