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620 posts

Ultimate Geek
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# 40588 1-Sep-2009 08:56
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Im running mediaportal (just downloaded the latest beta last night) with PowerDVD 8 as my decoder for H.264.  (Running 2x DVB-T CardS) All was working perfectly on my old TV (28" Wide Screen CRT) but Ive currently got a 42" LCD running at 720p..  All other channels work perfectly (TVNZ / Prime Freeview) but since Ive installed the new TV the mediaworks sound seems to be slightly out of sync - not enough to put you off but enough to make talking look real stupid! Ive checked signals, switched the mediaworks channels to my other card just in case,  installed a newer version of Mediaportal (MP 1.1.00 Beta 1), installed the latest SAF but havent had any luck tracking it down!  Anyone got any suggestions?  

The equipment running it all is as follows:

AMD Athlon X2 5400+ CPU
2GB RAM
320GB HDD (I use my server for any real storage)
2x ASUS PCI DVB-T Cards (these have worked perfect for a long while)
nVidia GeForce FX 8500GS (these work fine with freeview btw)

Im thinking maybe vid drivers - I cant remember if I upgraded the old ones when I changed TV's or not.  If I did it'll be running the latest off the nvidia website.  Sound drivers are the same as they always have been (using SPDIF anyways).  Like I said all the TVNZ channels work perfectly.  I also have a feeling when I turn AC3 on the audios synced correctly - I wouldnt quote me on that though! I may experiment with it again tonight.

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269 posts

Ultimate Geek
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  # 252250 1-Sep-2009 14:51
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It's not just you. I have the same symptoms. I don't know what's wrong either. The AC3 stream does sync up fine. Maybe Mediaworks tweaked something that Mediaportal doesn't handle correctly.



620 posts

Ultimate Geek
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  # 252268 1-Sep-2009 15:35
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Cool.. As long as its not only me Im all happy :). I'll just ignore the complaints from the flatties watching home & away.. :p

 
 
 
 


251 posts

Ultimate Geek
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  # 253534 6-Sep-2009 13:45
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Yeah, it isn't just you. Also reported here and here. No idea why, but am pretty sure is at source as I know several others suffering the same issues (and not all runing HTPC with MP).

Matthew




I can't brain today. I have the dumb.




620 posts

Ultimate Geek
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  # 253552 6-Sep-2009 15:48
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switching TV3 to AC3 has pretty much fixed all my problems for now.

251 posts

Ultimate Geek
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  # 253557 6-Sep-2009 16:01
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Aye, using the AC3 stream works, but it sounds oh so terrible if the source isn't AC3. Why oh why did they choose to use an obscure digital audio codec like AAC when no commercial HT amps can decode? Nothing like ignoring standards... -mutters-




I can't brain today. I have the dumb.


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Ultimate Geek
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  # 259333 29-Sep-2009 12:14
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Did anyone get any further with this, aside from using AC3?

267 posts

Ultimate Geek


  # 259400 29-Sep-2009 15:51
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Maybe widen your thoughts on the cause - noticed this on Friday night watching a Sony LCD TV with built in Freeview. Was REALLY bad (as in several tenths of a second at times).

 
 
 
 


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  # 259406 29-Sep-2009 16:05
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smac: Maybe widen your thoughts on the cause - noticed this on Friday night watching a Sony LCD TV with built in Freeview. Was REALLY bad (as in several tenths of a second at times).


Did the TV have any of its picture manipulation features turned on?




Generally known online as OpenMedia, now working for Red Hat APAC a Technology Evangelist and Product Manager. Still playing with MythTV and digital media on the side.


267 posts

Ultimate Geek


  # 259415 29-Sep-2009 16:17
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No idea, not my TV. All I know is we were watching several different channels (including 3) no problem. Then watched Rove and the sync was terrible. The owners had never seen anything like it either, and I don't believe they fiddle with settings. Have watched other HD content on the same TV before no problem.

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Ultimate Geek
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  # 259440 29-Sep-2009 17:35
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nzkc: Did anyone get any further with this, aside from using AC3?


No, not found any other solutions. Have simply stopped watching TV3 unfortunately. Really need someone in the industry to add some insight as to what could be the issue.




I can't brain today. I have the dumb.


722 posts

Ultimate Geek


  # 261126 5-Oct-2009 12:40
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I read this thread days ago & had not encountered any issue with audio sync.

Yesterday I tried to watch LiveTV (Mediaportal user) on TV3 news & noticed the issue was quite severe.

I then went back & watched the same sections from within "RecordedTV" & there was no sync issue, whatsoever. So, I guess it is only a concern with watching it live. Probably why I never noticed it before: I always -usually- watch programmes from recordings.





Silverstone LC14 HTPC Case/Intel E4600 CPU/GA-EP35-DS3 MOBO/Asus EN9500GT graphics/2GB RAM/total 2TB HDD space/HVR-2200 & 2X 150MCE tuner cards/LG GGC-H20L BD Drive/MCE2005/Mediaportal/TVServer 1.1.0Final/LG 55"3D LED-TV/Denon AVR-1803 receiver/X1 projector

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  # 261131 5-Oct-2009 12:46
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Noticed this using GBPVR yesterday.. Had to add audio delay of 100ms via AC3Filter.
All other channels ok, only TV3 affected.

GBPVR (latest versions), HVR2200 DVB-T Card, Windows 7 RC.

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