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Possible Duplicates:
How can I merge two mp4 files without losing quality?
Which free video editing tool can I use in windows to slice an mp4 file?

I need to be able to increase the volume, cut out silence, add silence etc. for mp4 files. Any help would be appreciated!

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marked as duplicate by Sathya, Diago Aug 19 '10 at 20:12

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
Look at superuser.com/questions/75621/… –  Sathya Aug 19 '10 at 16:42
    
Thank you for your help. –  Michele Aug 19 '10 at 17:06

1 Answer 1

I have used this and is descent for a free prgram and will do just what you want it to do.

Avidemux - Download

This is is a lot better but only has a 30 days trail!

AimOne MP4 Cutter & Joiner - Free software downloads and reviews - CNET Download.com

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