http://blogs.msdn.com/b/ptorr/archive/2006/09/11/750124.aspxPicture-in-Picture (PIP) is one of those "cool" features in HD DVD that looks really difficult but is really easy to do -- contrast that with so many other things that look simple or are taken for granted, but take forever to implement... That's not toen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/ptorr/archive/2006/09/11/750124.aspx#763854Wed, 20 Sep 2006 18:54:14 GMT91d46819-8472-40ad-a661-2c78acb4018c:763854Peter Torr - MSFTThe spec supports async secodary video, but iHDsim does not yet support it.<div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=763854" width="1" height="1">http://blogs.msdn.com/b/ptorr/archive/2006/09/11/750124.aspx#763853Wed, 20 Sep 2006 18:53:17 GMT91d46819-8472-40ad-a661-2c78acb4018c:763853Peter Torr - MSFTFor iHDSim, the MAP would be a WMV file with its extension changed to MAP. For a real title, yes, it would point to an EVOB with real content in it. <br> <br>The main video can be up to 1920 x 1080, but the sub video (PIP) is standard definition.<div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=763853" width="1" height="1">http://blogs.msdn.com/b/ptorr/archive/2006/09/11/750124.aspx#762270Tue, 19 Sep 2006 20:04:23 GMT91d46819-8472-40ad-a661-2c78acb4018c:762270Will MerydithSimple and cool. &nbsp;Looks good in the simulator too. <br> <br>So the spec supports asynchronous behavior? &nbsp;Play/stop/pause/FF/RW ?<div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=762270" width="1" height="1">http://blogs.msdn.com/b/ptorr/archive/2006/09/11/750124.aspx#752033Wed, 13 Sep 2006 16:22:33 GMT91d46819-8472-40ad-a661-2c78acb4018c:752033aterAre those .map files multiplexed 1920x1080 files?<div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=752033" width="1" height="1">