LOL... Yep.. that would be me, and yes, I use ProjectX, and yes, the gradually growing sync problem is not resolved by using ProjectX.
-- John <><. On 5/31/05, Neil <[EMAIL PROTECTED]> wrote: > Likewise, I'm on the same boat you guys are. :) The Audio/video sync issue > happens gradually in my situation. Video gets delayed .5 secs, 1 sec, 1.5 > secs, then 2 secs. This is for a 1 hour recorded program. > > However, I spoke to someone last night on mythtv-users(Agrajag). He pointed > me to a thread here which was similar to our audio/video sync issues. > Unfortunately, I couldn't remember the link. However, I do remember the tool > that was mentioned as the a/v issue life saver. It's called ProjectX. I ran > it last night. Once I reach home later, I will convert the files generated > by ProjectX into DVD format. I will let you know if audio/video sync is > gone. Oh btw, I'm taking the same source .nuv file. This would compare both > approach as apples to apples comparison. > > I'll let you know guys! > > Thanks, > > Ronneil > > >Re: audio sync: Welcome to my world. It's incredibly frustrating, and > >only happens with 720p material. After transcode, my audio loses step > >with video at about the rate of 850ms/hour of programming. Very > >consistent, very repeatable. I have absolutely no solution. Sorry to > >respond with a 'meee toooo' but I'd love to hear if somebody has an > >answer. > > > >Re: transcode speed: What transcode paramaters are you using? Are you > >resizing? I get very acceptable transcode speeds with 720p material > >using ffmpeg (from transcode). I can't remember the fps off the top > >of my head, but I think it's roughly 30fps. > > > >-- > >John Sturgeon <>< > >http://www.sturgeonfamily.com/mythtv.php > > > > > >On 5/28/05, Brad Templeton <[EMAIL PROTECTED]> wrote: > >> > >> Well, I've seen a number of threads about this but no clear resolution. > >> > >> Recently I've been trying to transocde a 720p MP2 file to MP4 with > >> a cutlist. The file is 4 hours long -- 22 gigabytes, and it has > >> a whopping 76 minutes of "cuttable material", so use of a cutlist > >> is pretty important. > >> > >> However, the result had steadily worsening audio sync, getting over > >> a second off eventually. I used divx bucause xvid was so slow > >> (4fps on a 60fps recording) that it would take at least 33 hours > >> to transocde even on a fast machine. That's with ffmpeg, should I > >> try transcode? (mencoder does not work yet). > >> > >> Even dvix took over 8 hours to transcode, but that's a touch more > >> tolerable. Worse, while this is 60fps, it's really 24fps underneath, > >> most frames are duplicates. Alas the mythtransocde | ffmpeg approach > >> presumably doesn't allow the encoder access to the knowledge it's just > >> been handed an exactly duplicate frame and shouldn't waste its time. > >> > >> To my surprise, also, while I asked for a bitrate of 7200, which should > >> have generated a file in the range of 9 gigabytes, I got one that > >> was 4 gigabytes. It is actually pretty good, video wise, though > >> with some obvious artifacts in smooth surfaces and a little blurring. > >> But I felt I was willing to spend more space on it and hopefully be > >> rid of those. > _______________________________________________ > mythtv-users mailing list > [email protected] > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users > _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
