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I Need to Boost my Audio (Voice) on a DVD video

by Jdiep / April 19, 2007 9:59 PM PDT

Hi all

I have just had to record a video for uni that involved me speaking to a patient (I'm a med student). Unfortunately, due to the competence (or lack of) of the medical school to use their DVD recording hardware correctly the audio of the video is so quiet that you could nearly say it doesn't exist. Now I dont want to have to redo this video because it is part of my assessment and I thought I did pretty well.

So here is my question. How can i 'amp' up the sound on my video?
I have converted it to avi (and I could convert it to anything else I want, mpeg etc).
I have tried every video playback program I have and set the volumes to extreme levels with all the boost that I could find.
My issue is that even with all the boost in the world and the volume up to 11 i still only here a wisper, but the 'fuzz' is loud as anything.
So the thing i would really like to do is, seperate the components of the sound, remove all the 'fuzz' and background noise, and then 'amp' up the 'voices'.

Is this possible? and if so, what software do i need?
Any suggestions would be great

cheers JD

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Take the "mpeg" and put it into Virtual Dub.
by R. Proffitt Forum moderator / April 19, 2007 10:07 PM PDT

But first this is no offer to teach how to use said tool.

In Virtual Dub you can increase the volume by about 2X on each pass. So set it all up and do the save as AVI (it will be mpeg or what you selected...) then retest. Repeat if needed.


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I process my audio in Sound Forge. Adjusting volume is
by Kiddpeat / April 19, 2007 10:52 PM PDT

called normalization. Normalization boosts the volume as high as it can without causing any of the audio to 'clip'. Many times there are 'pops' or 'thumps' which need to be muted to allow the remaining audio to be raised to a good level.

Sound Forge is an audio editor, but it can work with an avi-dv file. There is also a lite version with a 'Studio' label that sells for about $100.

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