Looking for help with audio sync problems (transport stream)

[travisbell]

Hey guys!

I have been recording .ts files from my digital cable box and while most streams encode perfectly, every now and then there is a few glitches in the stream. I would have figured that the same length of video and audio would be affected but this is not the case.

For example, there might be a 2 second video glitch and 3 seconds audio. What happens when AutoGK indexes the video is well, loss of audio sync. I get why this is happening, but I am wondering about a solution.

Now I know everyone says to ignore this when encoding a video BUT since Nvidia's MPEG2 decoder & PowerDVD play back these streams perfectly could there not be a way to have an option that indexes the video according to a playback codec? Thus preventing this enormously annoying problem?

Currently about 65% of my encodings are successful. The rest have this problem. What I have done for now is watch the video to find the glitches, cut them out of the source and them re-encode. As you can imagine... this is a very painful process.

Thanks for all your help,

[len0x]

DGIndex is not error tolerant tool, so you HAVE to fix your input in other tools (like ProjectX) before feeding into AutoGK.

[jggimi]

Moved to HDTV/DVB/TiVo forum, where you may obtain additional transport stream editing suggestions.

[travisbell]

Originally posted by len0x
DGIndex is not error tolerant tool, so you HAVE to fix your input in other tools (like ProjectX) before feeding into AutoGK.

When you say "fix" what do you mean I should do with ProjectX?

Thanks!

[len0x]

Resave TS

[travisbell]

Len0x, if that is all I have to do... I am gonna come aboard Galactica and hug you. ;)

[travisbell]

OK, so it fixes about most of the errors with original TS files but on a few of them, they would still end up out of sync after some of the glitches. I just loaded up the .ts file, and hit demux. Any other options that may/may not need to be enabled I am unaware of.

A lot of people here say to demux the file, that will guarantee sync. Is there any difference between re-saving the TS and demuxing (aside from ending up with two files)?

Thanks guys!