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You are here: MacNN Forums > Our Archives > General Archives > Digital Video & Audio Archives > Converting DVD to MPEG4...HELP!

 
Converting DVD to MPEG4...HELP!
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Mac Elite
Join Date: May 2001
Status: Offline
Oct 28, 2002, 12:27 AM
 
Ok...for the past week I have been trying to convert some of the DVD's I own to MPEG4 so I could play them through quicktime. Everything works fine, I rip off the elem steams, and get seperate MPEG2 video and convert the AC3 file to an Aiff. Then I open the 1.30 GB Video file, open the audio, copy the audio and tell quicktime to "add" (i have also tried "add scaled")
but the audio is way off. It may match up perfectly in the beginning of the video and then become a little off in the middle, then way off in the end. I reopen both files and check the length...the audio is 12 secs shorter than the video! Anyone have any idea what the heck is going on or how to fix it.

Note: There is no missing audio in the file yet some how it is shorter in length. The video is 12 secs longer than the Aiff. and seems to play at normal speed yet it's faster than the audio.

G4 Quicksilver 867MHz running OS 10.2
     
Mac Elite
Join Date: Feb 2001
Location: adrift in a sea of decadent luxury and meaningless sex
Status: Offline
Oct 28, 2002, 02:15 AM
 
blackmail is such an ugly word. I prefer extortion. the X makes it sound cool
     
Mac Elite
Join Date: Apr 2001
Status: Offline
Oct 28, 2002, 10:45 PM
 
here is something you can try...
the dvd must be ripped into its separate chapters so you have a sound file for every chapter file. open each sound file after its converted to .whatever and add the movie scaled to it. repeat for all chapters.... then just paste all the chapters together to form one long movie file.....some chapters wont line up doing this but it will be much closer than if you do it in all one big add scaled since the problem is probably only in a few chapters.....does that make sence? in other words some chapters will line up perfectly and others wont.
"Government is not reason; it is not eloquent; it is force. Like fire, it is a dangerous servant and a fearful master." -George Washington
     
 
   
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