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Batch Dynamic Range Compressing and Normalising audio for video files?

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dahouse
Member


Joined: 14 May 2008
Location: Canada

Post Posted: May 15, 2008 09:06 Posts Comp View users profile Send private message Reply with quote

Hey,

I'm in the midsts of large video project which consists of a database of short clips for music education purposes. The problem is that the dynamic range for the source material is HUGE. The level at which the teacher speaks is tiny vis-à-vis the enormous level at which the piano plays. So far, I've been manually fixing the audio with iMovie but it's a long and tedious process. Is there any program available for mac that would either compress or normalise the audio to keep the speaking level and instrument level closer together over multiple files?

An added bonus would be keep the audio levels constant thoughout the clips too.

We cannot refilm the footage so a software solution is the only solution.

Any suggestions?


dunamis
Member


Joined: 12 Oct 2002
Location: United States

Post Posted: May 15, 2008 09:21 Posts Comp View users profile Send private message Reply with quote

Do a search for Levelator. It may well address your needs.
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Recommends: viewpixmedia.com
Blessings, Dunamis


dahouse
Member


Joined: 14 May 2008
Location: Canada

Post Posted: May 15, 2008 10:16 Posts Comp View users profile Send private message Reply with quote

That's exactly the kind of functionality I require, but there is no batch processing capabilities.

Another problem is that it can only process audio files. Would there be a program to do this directly to DV files instead of having to extract the audio? I'll deal with it if need be, though.

Thanks so far...


tinker
Member


Joined: 25 Oct 2006
Location: Canada

Post Posted: May 15, 2008 14:32 Posts Comp View users profile Send private message Reply with quote

I do not know if this is in your budget, but Premiere or Vegas (there could be more) are able to do it in time line.

Soopafresh
Dismember


Joined: 01 Jan 2004
Location: United States

Post Posted: May 15, 2008 16:30 Posts Comp View users profile Send private message Reply with quote

I wrote something like that for the PC platform a while back. It would require some modifications to work on DV files, however. If you have someone on staff who knows batch file scripting, you can mod it to suit your requirements:

http://forum.videohelp.com/topic314909.html


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