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On Sun, 2010-09-05 at 18:58 -0600, John P Poet wrote:<BR>
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<TT><FONT COLOR="#3a3935">On Sun, Sep 5, 2010 at 2:44 PM, Nicolas Will <<A HREF="mailto:nico@youplala.net">nico@youplala.net</A>> wrote:</FONT></TT><BR>
<BR>
<TT><FONT COLOR="#737373">> On Sun, 2010-09-05 at 19:01 +0100, Paul Gray wrote:</FONT></TT><BR>
<TT><FONT COLOR="#737373">></FONT></TT><BR>
<TT><FONT COLOR="#737373">> On 05/09/2010 17:53, Nicolas Will wrote:</FONT></TT><BR>
<TT><FONT COLOR="#737373">> > Hello,</FONT></TT><BR>
<TT><FONT COLOR="#737373">> ></FONT></TT><BR>
<TT><FONT COLOR="#737373">> > Since I followed the judder-free playback instructions here</FONT></TT><BR>
<TT><FONT COLOR="#737373">> ></FONT></TT><BR>
<TT><FONT COLOR="#737373">> > <A HREF="http://www.mythtv.org/wiki/User_Manual:JudderFree">http://www.mythtv.org/wiki/User_Manual:JudderFree</A></FONT></TT><BR>
<TT><FONT COLOR="#737373">> ></FONT></TT><BR>
<TT><FONT COLOR="#737373">> > I have noticed that A/V sync is going bad as I watch content.</FONT></TT><BR>
<TT><FONT COLOR="#737373">> ></FONT></TT><BR>
<TT><FONT COLOR="#737373">> > My googling brought some fellows with the same issue, but no clear</FONT></TT><BR>
<TT><FONT COLOR="#737373">> solution.</FONT></TT><BR>
<TT><FONT COLOR="#737373">> ></FONT></TT><BR>
<TT><FONT COLOR="#737373">> > Am I missing something?</FONT></TT><BR>
<TT><FONT COLOR="#737373">></FONT></TT><BR>
<TT><FONT COLOR="#737373">> Every MythTv FE I've built has slowly run out of sync.</FONT></TT><BR>
<TT><FONT COLOR="#737373">> When it gets noticeable, I jump back 5s and that syncs</FONT></TT><BR>
<TT><FONT COLOR="#737373">> it up again.</FONT></TT><BR>
<TT><FONT COLOR="#737373">></FONT></TT><BR>
<TT><FONT COLOR="#737373">></FONT></TT><BR>
<TT><FONT COLOR="#737373">> Well, that may be the case, but my FE was OK, now it is really noticeable.</FONT></TT><BR>
<TT><FONT COLOR="#737373">></FONT></TT><BR>
<TT><FONT COLOR="#737373">> Nico</FONT></TT><BR>
<TT><FONT COLOR="#737373">></FONT></TT><BR>
<BR>
<BR>
<TT><FONT COLOR="#3a3935">I have noticed the same. If I keep playback at 60p (even for 24p material)</FONT></TT><BR>
<TT><FONT COLOR="#3a3935">the sync stays perfect. If I use 24p playback then the A/V sync gets worse</FONT></TT><BR>
<TT><FONT COLOR="#3a3935">and worse. Therefore, I have gone back to using 60p even for 24p material.</FONT></TT><BR>
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Call me greedy, but I'd like judder and lag free :o)<BR>
<BR>
I could go back to 60 Hz, the judder is less problematic than the audio lag for my own brain.<BR>
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But I am sure that perfection could come out of this, and Jean-Yves made the how-to for judder-free (if not the code) and is also working on audio. There is a strong potential for synergy. (yes, I work for a large company and I did a tour in marketing as well as product management, shoot me!)<BR>
<BR>
Nico
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