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DIGIT-ARC / Software / Software Q&A

Audio Video Sync Problem...

2 posts · originally from https://geek.digit.in/community/threads/audio-video-sync-problem.73720/

go4saket
go4saket Original post #1
Nov 21, 2007 at 12:18 AM
HI guys!

I use Auto Gordian Knot to convert my MPEG2 videos to XVID format. The problem is that where most of the videos are properly encoded, a few of them have audio video sync problem. Why does this happen and what can be done so that this doesnt happen.

The settings that I use are as follows...

Output Resolution : Auto Width
Output Audio Type : CBR MP3 128 Kbps
Output size : Approximately 10-12 MB per minute of video.

Please help.

Thank you.
J
jay_jay #2
Nov 21, 2007 at 12:12 PM
for correcting it open the clip in virtual dub.set both audio and video direct stream copy
A) If the difference between audio and video is constant throughout the video:
*From the "Audio" dropdown menu, select "Interleaving" * Under "Audio skew correction", set an appropriate number of milliseconds (positive or negative) in the box labelled "Delay
audio track by"
* Save with a new filename
B) If the difference increases as the movie plays:
* From under the "Video" dropdown menu, select "Framerate" - and select "Change so video and audio durations match"
* Save with a new filename


async occurs due to some delay prblm assosiated when converting ac3 to mp3.if u open it in dgindex u can see the assosiated delay