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Old 21 Dec 2003, 09:35 PM   #1
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Angry-2 Still no sound - more info

I have avi files with AC3 sound. They play on my PC. When i try to make DVD's with them, using WinDVD creator they come out without any sound. I have tried the disks on several players. So i don't think its a problem with my standalone player. This is VERY frustrating.

Any ideas?
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Old 22 Dec 2003, 05:57 AM   #2
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"WinDVD Creator" is (as are other similar programs) apparently very "picky" about .AC3 headers. Therefore, after using "TMPGEnc" to DE-multiplex the video and audio streams:

1) Use a hex editor to locate the FIRST instance of "0B 77" - and delete/cut all data prior to it. (As an alternative, you could attempt to use a program named "AC3Fix")

2) Load .M2V file FIRST into TMPGEnc

3) Load modified .AC3 file SECOND into TMPGEnc

4) If converted MPEG file is out of synch (most probable, since a piece of the .AC3 was "trimmed" off the front-end of the file), use TMPGEnc as follows to correct:

5) Load MPEG into TMPGEnc's main window
6) Click on "Setting" radiobutton
7) Select "Advanced" tab
8) Put a checkmark next to and then doubleclick on "Source range"
Enter appropriate number (positive or negative ["-"] next to "Audio Gap Correct"
Click on "ok" and click on next "ok" to get back to main window
Save with a new filename

(Or, if you prefer to adjust the .AC3 audiostream directly, download AC3DelayCorrect from - and additionally download (and place in same folder) GfaWin23.ocx)
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Old 22 Dec 2003, 09:37 PM   #3
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That sounds very helpful, but very complicated.

Is there not a program that can 'fix' the audio while itls still in the avi?

What are the benefits of seperating it all out?

Where can i get the hex editor and everything else?

Thanks again,

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Old 22 Dec 2003, 10:32 PM   #4
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Hang on, i've got another question too,

if WinDVD Creator is picky, is there any software that isn't?

i.e. is there a program that will convert an avi into DVD and burn and not screw up the sound if its in ac3?
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Old 22 Dec 2003, 11:09 PM   #5
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TMPGenc to make MPEG2 with TMPGenc DVD Author to prep and burn...or ULead Video Studio 7 to do it all.
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