Am Tue, 1 Sep 2009 02:04:28 -0500 (CDT) schrieb Mike Isely <[email protected]>:
> I think the problem you may be having is that the video content > already has the black bars embedded in it, i.e. the broadcast station > is actually sending you 16:9 content in a 4:3 frame and filling in > the black bars themselves - also known as letterboxing. What you > really need actually is "anamorphic" video from the station where > they horizontally squish the 16:9 content into a 4:3 frame and then > send the WSS signal to tell the TV to stretch it back and locally > generate the letterbox frame. But it sounds like they aren't doing > that. Anamorphic+WSS won't work properly on older TVs and TV stations > may prefer to letterbox rather than use anamorphic with WSS if they > are trying to stay compatible with such older TVs (but of course at > the cost of a lot of wasted vertical resolution sending those black > bars). > > If that isn't the cause, I don't know what is. > > -Mike > > Hi, this is the PALplus-thing we already had some discussion about. (I guess so, because of the authors .de-postfix in his e-mail-address) The additional lines to reconstruct an anamorphic image are hidden in the black letterbox-bars and aren't decoded by pvrusb2. This format is advertised as 16:9 in Germany. Cheers, Carsten _______________________________________________ pvrusb2 mailing list [email protected] http://www.isely.net/cgi-bin/mailman/listinfo/pvrusb2
