On Thursday 29 December 2005 23:02, Buechler, Mark R wrote: > The more I look at HDTV the more I have to agree with you. HDTV seemed very > smooth under 7607 but under 8417 it seems to be on and off jerky at VERY > regular intervals about every 3-5 seconds. Audio is flawless, however. I'm > also seeing this in some SD channels. Not sure what's changed recently.. > > - Mark. > > -----Original Message----- > From: Steve Adeff [mailto:[EMAIL PROTECTED] > Sent: Thursday, December 29, 2005 9:33 PM > To: [email protected] > Subject: Re: [mythtv-users] HDTV With Motion Not Smooth > > On Thursday 29 December 2005 15:21, Michael T. Dean wrote: > > Michael Haan wrote: > > > So, Iknow it's somewhat subjective, but watching Lost, the motion > > > seems to be fine. I'm wondering if 720p vs 1080i might me the issue. > > > Does anyone know what Lost is broadcast in, vs My Name is Earl? > > > > Lost is on ABC and ABC is 720p. My Name is Earl is on NBC and NBC is > > 1080i. > > > > TTBOMK, it can be broken down as: > > > > ABC/Fox = 720p > > CBS/NBC/PBS/UPN*/WB = 1080i > > > > *at least those UPN stations owned by CBS (don't know about the other > > UPN stations, but some may be in 720p) > > > > Also, all cable/satellite premium networks (HBO, Showtime, Discovery HD, > > HDNet, HDNet Movies, INHD) use 1080i for movies/special programs > > (because it's better for "not fast"-moving scenes). ESPN HD (which, > > like ABC, is owned by Disney) uses 720p (because it's better for > > fast-moving scenes as exist in sports). Strangely enough, NBA TV uses > > 1080i (maybe they have the players run slowly :). > > > > Mike > > I don't know if 720p is better for fast moving scenes as much as > progressive > > images allow for more visual depth and are easier on the eyes (lack of > interlace effect). Since 1080i is twice the field rate of 720p, motion on a > good monitor should be more or less the same for both. Do you have a way of > feeding your TV HD signal without going through Myth(internal tuner, > cablebox, etc)? See if you notice the same issue. > > When I was using my TV's internal ATSC tuner for HD I noticed no motion > issues > (my TV is 1080i native, so no way to test 720p vs 1080i). I do however > notice > motion issues running through Myth SVN occasionaly, dunno if its cause I'm > taking 1080i signal, outputting at 720p and then the tv scaling to 1080i > (quite backwards I know, need to get a better TV.... or get the right > combinatino of hardware/software to get proper interlace output on DVI). I > also can't seem to use XvMC working, so I haven't compared that. My next > issue to tackle...
Revert to 7607 and check =) -- Steve _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
