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need to tweak audio somewhere in vid process

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In the three "processes" below I need to insert a process to edit the audio track. Here is my current video process:

I have a DVD of my church service (recorded live on DVD recorder)

1.) I use a DVD ripper to do a very simple "pre-rip" edit (cut entry and exit material), the result being a "clean" single .vob file. I then burn DVD'a using the new .vob.

2.) From the same rip session (once the "in" and "out" points are set) I also rip two sets of flash (flv) files. One set is usually a single file which is uploaded to a web site for my flash player.

3.) The second set of flash files are ripped to 10 minute segments for youtube (by simply using "in" and "out" point "editing")

This quick and easy process is working well, but as stated in the opening... I want to "tweak" (bass, treble, perhaps pitch) the audio track for all three cases. What would be a cheap and easy way to do this? I can rip the files into most any format but I want as few steps as possible....

I'm somewhat new to video and your suggestions are appreciated?
 
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2011 MBP, i7, 16GB RAM, MBP 2.16Ghz Core Duo, 2GB ram, Dual 867Mhz MDD, 1.75GB ram, ATI 9800 Pro vid
It sounds like you first need a compatible work flow.

1. Import video into a video editor. iMovie came with your Mac.
2. Edit the video as is.
3. Apply audio adjustments. iMovie (I'm looking at '09) only has 'Normalize Clip Volume'.
3a. Export audio in AIFF format at 48Khz and 16 bit, if I recall right.
3b. Edit in other application such as Audacity or/and Levelator. Both are free.
3c. Recombine audio and video.
4. Convert video to required formats.
 
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xstep..... thank you for your suggestion. I'll give a try... I really do appreciate you tips!
 

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